In this project, we have used Microsoft Visual Studio (ASP.net) as frontend and SQL Server 2008 as a backend the topic is of online hotel booking system "A complete solution for Banquet Hall and Hotel Booking” is selected for the purpose of this project and the algorithms used in Online hotel booking is the main focus. This program is intended to reduce the manual work related to booking a banquet hall for a specific purpose. This uses specific locations and makes the booking of banquet hall easier and effective for the user. This system provides information related to the banquet hall and on basis of customer preference like capacity it proposes and recommends the best banquet hall available at a particular location. The database would include a series of information and with help of algorithms, it combines the preferences of the customer and provide the best banquet hall. The specific features of every banquet hall would be added to the database to provide the best method of booking.