This project Airlines Reservation System has been developed on C# and SQL Server Windows Application. The main objective for developing this project is to managing airlines schedules, book tickets and make payment. It manages all the information about passenger, booking enquiry, passenger. Users can view the status and schedule of a flight directly, from the Internet. It also provides time to time current information related to flight schedules. It tracks all the details about the Airlines Booking, Ticket Booking, Passenger. It can keep to record employee detail, daily attendance and salary calculation of the employee, and also administrator has an ability.