Our lives have become increasingly easier with the implementation of online booking engines. We not only save both energy and time but we also need only several clicks in order to make a reservation. Booking engines are now used in several industries such as food, hotel and travel. Some of the most important advantages of using booking engines are: speed – because of its efficiency, online booking is the fastest available way to book a room nowadays; flexibility – customers and hotels work together in order to complete the booking process; lack of fraud – online booking is probably the best way of preventing any type of Internet fraud; commodity – customers don’t have to leave their home in order to make their reservations. They just need a credit card and a connection to the Internet; less staff – because of an online reservation system, there is no need for additional employees to do the necessary work.