Flight
Flight Bookings Airline reservation systems includes Airline schedules, fare tariffs, ticket records and passenger Reservations. An Airline's direct distribution works within their own Reservation system, as well as giving out information to the GDS. The 2nd type of direct distribution channel are consumers who use the internet or mobile Applications to make their own reservations. Travel agencies and other Indirect Distribution Channels access the same GDS as those accessed by the Airline Reservation systems, and all messaging is transmitted by a standardized messaging System that Functions on two types of messaging that transmit on high level network. These messaging types are called Type A for real time interactive communication and Type B for informational and booking type of messages. Message constitute standards set by IATA and ICAO, are Global, and apply to more than Air Transportation. Since Airline reservation systems are Business Critical Ap