Bookingo – Online Travel Agency – is a php scrip multi city, multi hotel, multi inventory, very friendly. It allows the user to build their own online hotel booking agency, with similar features that has the large OTAs like Expedia, Travelocity, Hotel.com and other features.So bookingo manage in real-time the hotels inventory, shows basic information about each hotel, to manage online reservations and performs charging them with at least 3 different payment options.