Hawaayein is a Airline reservation system Web application purely made on asp.net and ado.net
Sign up login feature to maintain users
Can search flights and even filter the flights based on your favourite airline and cheapest flight accordingly
After booking the tickets booking id is aslo sent on the registered users mail
user can paste this booking id in our webite to download the tickets
Make the tables first on the MS SQL Server
The document displaying features and functionalities of the Hawayeein is also uploaded refer to it to check whether if it meets your requirement or not