Also known as an Airline Reservation System, a flight reservation system, is a part of a CRS, which contains schedules, fares, reservations and ticket records. Its goal is to support bookings through different distribution channels. It stores a database of fare tariffs, rules and booking conditions, all considering different zones, classes, and inventory buckets. When you have performed a flight search on IRCTC Air you get a list of all available flights for your desired dates. After checking out prices and entering your personal information you can check flight seat availability by seeing seat map of the plane that you will be getting on for your travel and choose your seat accordingly. It is very simple to book air tickets on IRCTC. Simply enter your arrival and departure destination, number of passengers, travel class and departure date to get a list of all the available flights and click on book now to reserve your preferred flight.