0.    INTRODUCTION

       This specification provides the definition of the Availability
       response - interactive message (AVLRSP) to be used in
       Electronic Data Interchange (EDI) between trading partners
       involved in administration, commerce and transport.

1.    SCOPE

1.1   Functional Definition

       An interactive Travel, Tourism and Leisure Availability
       Response is sent by a service provider in response to an
       availability request for a Travel, Tourism and Leisure service.
       The Travel, Tourism and Leisure Availability Request -
       interactive (AVLREQ) is utilised to provide an interactive
       request for which the interactive availability response is used
       to respond.

1.2   Field of Application

       The Availability response - interactive message may be used for
       both national and international applications. It is based on
       universal practice related to administration, commerce and
       transport, and is not dependent on the type of business or
       industry.

1.3   Principles

       AVLRSP may be used for the following functions within the
       Interactive Scenario for Travel, Tourism and Leisure:
       
       (1) to respond to a general availability request for any hotel,
       rental car, train trip, airline flight, or tour in a specific
       city or geographical region for a date or range of dates. The
       response may include products from multiple service providers
       and multiple classes of service, car types, room types as is
       appropriate to the product.
       
       (2) to respond to availability for one or more specific hotels,
       rental cars, train trips, airline flights, or tours for a
       specific date. Along with the availability, the response may
       include rates, rules, and specific information about the
       product.
       
       (3) to respond only with rules and rates for a specific
       product.

2.    REFERENCES

       See UNTDID, Part 4, Chapter 2.6 UN/ECE UNSM - General Introduction,
       Section 1.

3.    TERMS AND DEFINITIONS

3.1   Standard terms and definitions

       See UNTDID, Part 4, Chapter 2.6 UN/ECE UNSM - General Introduction,
       Section 2.

4.    MESSAGE DEFINITION

4.1   Data Segment Clarification

       This section should be read in conjunction with the Segment
       Table which indicate mandatory, conditional and repeating
       requirements.

0010 | UIH, Message header
       A service segment starting and uniquely identifying a message.
       The message type code for the Availability response -
       interactive message is AVLRSP.
       
       Note: Availability response - interactive messages conforming
       to this document must contain the following data in segment
       UIH, composite S306:

       Data element  0065 AVLRSP
                     0312 D
                     0316 98B
                     0051 UN

       It should also be noted that the data elements shown above for
       composite S306 are those specified in the draft version of the
       I-EDI syntax, published and approved for trial in document
       TRADE/WP.4/R.1157/Add.2 on 28 July 1995.

0020   MSD, Message action details
       A segment identifying the industry type (i.e. air, car, train,
       accommodations, etc.) and business function of the message.

0030   NUN, Number of units
       Number and identifying qualifier to indicate number of adults
       or children pertaining to the entire response.

0040   PLI, Product location information
       A segment to indicate the location by geographic area,
       reference point, or direction.

0050   ADS, Address
       Address of the product.

0060   NAM, Party name
       A name associated with the product.

0070   SDT, Selection details
       Criteria which was used to select the available products or
       services.

0080   TIF, Traveller information
       The traveller or traveller group for whom these products or
       services are available.

0090   CRI, Consumer reference information
       The consumer reference information related to the available
       products or services.

0100   PMT, Payment information
       The payment information which applies to all of the available
       products or services.

0110   CMN, Commission information
       Information concerning the amount of commission that will be
       paid if a service or product is booked.

0120   ITM, Item number
       A number associated to all of the available products.

0130   RUL, Rule information
       Rule and policy information that applies to all the available
       products.

0140 + DTI, Date and time information
       A segment to specify the hours of operation for an available
       product or service.

0150   IFT, Interactive free text
       Free or coded text information that applies to all the
       available products.

0160   SSR, Special requirement details
       Details pertaining to special services or requirements relating
       to all the available products.

0170   CUR, Currencies
       A currency code that applies to all the rates and tariffs.


0180   Segment group 1: ERI-IFT
       This segment group provides error information that relates to
       the entire message.

0190      ERI, Application error information
          Error condition data pertaining to the entire response.

0200      IFT, Interactive free text
          Free form text data pertaining to the preceding error
          condition.


0210   Segment group 2: PRD-ADS-PLI-CON-SSR-ITM-MOV-TFF-CUR-PMT-IFT-
                         RUL-DAV-SG3-SG5-SG10
       This segment group provides information regarding a specific
       product, including its policies and the amenities and services
       provided.

0220      PRD, Product identification
          A specific product, such as a hotel, car rental location, or
          tour code and characteristics of the product.

0230      ADS, Address
          The address of the product.

0240      PLI, Product location information
          The geographic location of the product, including direction,
          distance, and driving time.

0250      CON, Contact information
          Contact information, such as, phone number or fax number for
          this product or service.

0260      SSR, Special requirement details
          Special features and amenities of the product.

0270      ITM, Item number
          An item number related to the product for requesting
          additional information.

0280      MOV, Car delivery instruction
          If the product is a car rental, this segment provides
          information about car delivery and chauffeur service.

0290      TFF, Tariff information
          Rate ranges relating to the product.

0300      CUR, Currencies
          The currency code for the rates for a product.

0310      PMT, Payment information
          Forms of payment for a specific product.

0320      IFT, Interactive free text
          Free text relating to the product.

0330      RUL, Rule information
          Rule and policy information pertaining to the availability
          of the product.

0340      DAV, Daily availability
          A segment which indicates the availability of the product
          for a thirty day period.


0350      Segment group 3: PDT-ITM-IFT-SG4
          This segment group provides information concerning the
          availability of a specific car type, room type, or class of
          service.

0360         PDT, Product information
             The specific car type, room type, or class of service and
             the number available.

0370         ITM, Item number
             An item number associated with the previous product
             information.

0380         IFT, Interactive free text
             Free text information associated with the car type, room
             type, or class of service.


0390         Segment group 4: TFF-ASD-CMN-PMT-SSR-RUL
             This segment group provides information about the rate
             amount as well as information concerning rules and
             policies for the rate and commission paid on the rate for
             a specific car type, room type, or class of service.

0400            TFF, Tariff information
                Tariff information for a specific product or service.

0410            ASD, Service details
                Details for a service that is related to a specific
                rate.

0420            CMN, Commission information
                Commission that will be paid if a specific rate is
                booked.

0430            PMT, Payment information
                Payment information for a specific rate.

0440            SSR, Special requirement details
                Details pertaining to a special service or requirement
                for a specific rate.

0450            RUL, Rule information
                Rules and policy information, such as minimum rental
                or stay, start day of the week, deposits, etc., for a
                specific rate.


0460      Segment group 5: RTC-ITM-RPI-RUL-SG6-SG7-SG8
          This segment group provides information about the specific
          rate codes a particular product or service, including rules
          and restrictions, availability, and rate amounts.

0470         RTC, Rate types
             Rate codes for a specific product or service.

0480         ITM, Item number
             An item number associated to a specific rate code.

0490         RPI, Quantity and action details
             The number of products that can be booked for this rate
             code and the action that can be taken.

0500         RUL, Rule information
             Rule and policy information for a specific rate code.


0510         Segment group 6: ERI-IFT
             This segment group provides error information pertaining
             to a specific rate code.

0520            ERI, Application error information
                Error data pertaining to the associated rate code.

0530            IFT, Interactive free text
                Free form or coded text data pertaining to the
                preceding ERI segment.


0540         Segment group 7: TFF-ASD-CMN-RUL
             This segment group provides information about the rate
             amount as well as information concerning commission paid
             on that rate for a specific rate code.

0550            TFF, Tariff information
                Tariff information for a specific rate code.

0560            ASD, Service details
                Details for a service that is related to a specific
                rate.

0570            CMN, Commission information
                Commission that will be paid if a specific rate is
                booked.

0580            RUL, Rule information
                Rules and policy information, such as minimum rental
                or stay, start day of the week, deposits, etc., for a
                specific rate.


0590         Segment group 8: PDT-ITM-IFT-SG9
             This segment group provides information concerning the
             availability of a specific car type, room type, or class
             of service for a specific rate code.

0600            PDT, Product information
                The specific car type, room type, or class of service
                and the number available.

0610            ITM, Item number
                An item number associated with the previous
                information.

0620            IFT, Interactive free text
                Free text information associated with the car type,
                room type, or class of service.


0630            Segment group 9: TFF-ASD-CMN-RUL
                This segment group provides information about the rate
                amount as well as information concerning rules and
                policies for the rate and commission paid on the rate
                for a specific car type, room type, or class of
                service.

0640               TFF, Tariff information
                   Tariff information for a specific car type, room
                   type, or class of service.

0650               ASD, Service details
                   Details for a service that is related to a specific
                   class of product or service.

0660               CMN, Commission information
                   Commission that will be paid if a specific class of
                   product or service is booked.

0670               RUL, Rule information
                   Rules and policy information for a specific class
                   of product or service.


0680      Segment group 10:RTI-SG11
          This segment group provides information about a category of
          rate products.

0690         RTI, Rate details
             A segment to specify rate categories, such as, standard,
             maximum, minimum, and promotional.


0700         Segment group 11:RTC-ITM-RPI-RUL-SG12-SG13
             This segment group provides information about the
             specific rates in a given category, including rules and
             restrictions, availability, and rate amounts.

0710            RTC, Rate types
                Rate codes for specific rate categories.

0720            ITM, Item number
                An item number associated to a specific rate code.

0730            RPI, Quantity and action details
                The number of products that can be booked for this
                rate code and the action that can be taken.

0740            RUL, Rule information
                Rules and policy information for a specific rate code.


0750            Segment group 12:ERI-IFT
                This segment group provides error information
                pertaining to the associated rate code.

0760               ERI, Application error information
                   Error data pertaining to the associated rate code.

0770               IFT, Interactive free text
                   Free form or coded text data pertaining to the
                   preceding ERI segment.


0780            Segment group 13:PDT-ITM-IFT-SG14
                This segment group provides information concerning the
                availability of a specific car type, room type, or
                class of service.

0790               PDT, Product information
                   The number available for a specific product or
                   service class for specific rate code.

0800               ITM, Item number
                   An item number associated with previous product or
                   service class.

0810               IFT, Interactive free text
                   Free text information associated with the product
                   or service class.


0820               Segment group 14:TFF-ASD-CMN-PMT-SSR-RUL
                   This segment group provides information about the
                   rate amount as well as information concerning rules
                   and policies for the rate, commission paid for
                   booking a product or service class, associated
                   payment information, and details about special
                   services.

0830                  TFF, Tariff information
                      Tariff information for a specific product or
                      service class.

0840                  ASD, Service details
                      Details for a service that is related to a
                      specific rate.

0850                  CMN, Commission information
                      Commission that will be paid if a specific rate
                      is booked.

0860                  PMT, Payment information
                      Payment information for a specific rate.

0870                  SSR, Special requirement details
                      Details pertaining to a special service or
                      requirement for a specific rate.

0880                  RUL, Rule information
                      Rules and policy information governing the
                      availability of a specific rate.


0890   Segment group 15:TVL-MSD-LKP-PDT-SSR-RTI-SG16
       This segment group provides information about a product or
       service, the availability, special services, and pointer to
       indicate the level of the service.

0900      TVL, Travel product information
          Information identifying the product or service (service
          provider, service location, date of service, service
          description, etc.).

0910      MSD, Message action details
          A segment identifying the industry type (i.e. air, car,
          train, accommodations, etc.).

0920      LKP, Level indication
          To specify the level and key for this product or service as
          it relates to other segments in the message.

0930      PDT, Product information
          The specific car type, room type, or class of service and
          the number available for each.

0940      SSR, Special requirement details
          Details pertaining to a special service or requirement for a
          product of service.

0950      RTI, Rate details
          Rate categories for a specific product.


0960      Segment group 16:ERI-IFT
          This segment group provides error information pertaining to
          the product or service.

0970         ERI, Application error information
             Error data pertaining to the associated product or
             service.

0980         IFT, Interactive free text
             Free form or coded text data pertaining to the preceding
             ERI segment.


0990   Segment group 17:ODI-MSD-SG18
       This segment group provides information identifying the travel
       product or service but groups the travel products by the entire
       journey.

1000      ODI, Origin and destination details
          A segment providing the origin and destination of a Travel,
          tourism and Leisure (TT&L) journey.

1010      MSD, Message action details
          A segment identifying the industry type (i.e. air, car,
          train, accommodations, etc.).


1020      Segment group 18:TVL-PDT-APD-NUN-IFT-TRF-RTI-SG19
          This segment group provides information pertaining to the
          travel product or service which related to the preceding
          journey information.

1030         TVL, Travel product information
             Information identifying the product or service (service
             provider, service location, date of service, service
             description, etc.).

1040         PDT, Product information
             To specify the classes of service and the availability of
             each.

1050         APD, Additional transport details
             A segment providing additional data relating to the
             preceding TVL segment (i.e. aircraft type, number of
             stops, on time performance, gate description, etc.).

1060         NUN, Number of units
             Number and identifying qualifier relating to the product
             or service.

1070         IFT, Interactive free text
             Free text information related to a product or service.

1080         TRF, Traffic restriction details
             Restrictions that may apply to this product or service.

1090         RTI, Rate details
             Rate categories for a specific product or service.


1100         Segment group 19:ERI-IFT
             This segment group provides error information pertaining
             to the product or service.

1110            ERI, Application error information
                Error data pertaining to the associated product or
                service.

1120            IFT, Interactive free text
                Free form or coded text data pertaining to the
                preceding ERI segment.

1130   UIT, Interactive message trailer
       A service segment ending a message, giving the total number of
       segments in the message and the control reference number of the
       message.

4.2   Data segment index (Alphabetical sequence by tag)

          ADS Address
          APD Additional transport details
          ASD Service details
          CMN Commission information
          CON Contact information
          CRI Consumer reference information
          CUR Currencies
          DAV Daily availability
       +  DTI Date and time information
          ERI Application error information
          IFT Interactive free text
          ITM Item number
          LKP Level indication
          MOV Car delivery instruction
          MSD Message action details
          NAM Party name
          NUN Number of units
          ODI Origin and destination details
          PDT Product information
          PLI Product location information
          PMT Payment information
          PRD Product identification
          RPI Quantity and action details
          RTC Rate types
          RTI Rate details
          RUL Rule information
          SDT Selection details
          SSR Special requirement details
          TFF Tariff information
          TIF Traveller information
          TRF Traffic restriction details
          TVL Travel product information
          UIH Interactive message header
          UIT Interactive message trailer

Contents of AVLRSP