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  2. Computer reservation system - Wikipedia

    en.wikipedia.org/wiki/Computer_reservation_system

    These are also used to relay computerized information for users in the hotel industry, making reservation and ensuring that the hotel is not overbooked. Airline reservations systems may be integrated into a larger passenger service system, which also includes an airline inventory system and a departure control system. The current centralised ...

  3. Airline reservations system - Wikipedia

    en.wikipedia.org/wiki/Airline_reservations_system

    In the airline industry, available seats are commonly referred to as inventory. The inventory of an airline is generally classified into service classes (e.g. economy, premium economy, business or first class) and any number of fare classes, to which different prices and booking conditions may apply.

  4. Global distribution system - Wikipedia

    en.wikipedia.org/wiki/Global_Distribution_System

    A mirror image of the passenger name record (PNR) in the airline reservations system is maintained in the GDS system. If a passenger books an itinerary containing air segments of multiple airlines through a travel agency, the passenger name record in the GDS system would hold information on their entire itinerary, while each airline they fly on would only have a portion of the itinerary that ...

  5. Amadeus CRS - Wikipedia

    en.wikipedia.org/wiki/Amadeus_CRS

    Amadeus IT Group is a transaction processor for the global travel and tourism industry. The company is structured around two key related areas—its global distribution system and its "IT Solutions" business area. Amadeus is a member of IATA, OTA and SITA. Its IATA airline designator code is 1A.

  6. Sabre (travel reservation system) - Wikipedia

    en.wikipedia.org/wiki/Sabre_(travel_reservation...

    The system was a success. Up to this point, it had cost $40 million to develop and install ($412 million in 2023). The SABRE system by IBM in the 1960s was specified to process a very large number of transactions, such as handling 83,000 daily phone calls. [7] The system took over all booking functions in 1964, when the name had changed to ...

  7. Fare basis code - Wikipedia

    en.wikipedia.org/wiki/Fare_basis_code

    The first character of the fare basis code is always a letter, and will almost always match the booking class. [3] Booking codes are the identifiers used by the airline's revenue management department to control how many seats can be sold at a particular fare level. For example, a plane may have 25 economy seats still available and the airline ...