an integrated computerized sales system for destination events includes a member user interface hosted by an application service provider and accessible to a plurality of independent service providers that are members of a convention visitor bureau organization . members periodically log into the mui to review information on a request for proposal from a potential destination event organizer . the mui includes a tentative response booking agreement electronic form to be completed by a member for any services responsive to the rfp that the member is willing to make available . a projected service availability database automatically incorporates information from the trba and is accessible only by the cvb . the projected service availability database is reviewed by the cvb in order to prepare a response to the rfp that includes information about services from members of the cvb that is then communicated to the potential destination event organizer .