The present invention relates to a system and method for selecting and reserving time slots for an appointment. The system or method transmits information relating to a plurality of available individual time slots for an appointment to an application running on a general purpose computer on the wide area network for display to the end user. The system or method also provides a graphical user interface that includes an interactive map showing information relating to the available time slots for the appointment. Through the interactive map the end user can select one or more available time slots. The interactive map may provide additional information on the one or more of available individual time slots when triggered by, for example, a mouse placed over one of the available individual time slots.