Abstract: A computer system for entering a reservation includes a client system, such as a personal computer (PC) client; a server system including a web server, an application server and a host reservation and database system; and a global communication system, such as the Internet, between the PC client and the server system. The PC client includes a display sub-system, such as a browser, for displaying information identifying a vehicle rental to be reserved, such as a car rental; a data entry sub-system cooperating with the display sub-system and generating a single action; and a communication sub-system cooperating with the data entry sub-system. The host reservation and database system includes a car club's car rental database which stores profile information for a plurality of car rental club members.