The present invention relates to a system and methods for searching for and displaying travel itineraries and fares that satisfy a traveler's flexible travel requirements. Users may enter data relating to a trip's origin and destination as well as various dates the user can travel. The systems and methods...http://www.google.ca/patents/US20050086087?utm_source=gb-gplus-sharePatent US20050086087 - Method and system for searching for travel itineraries with flexible travel dates
