Abstract: A system for managing the performance of services. A schedule includes slots for performing services. A referral profile database contains historical data for referral sources of the services. An incoming request module receives on an inquiry date an inquiry from a client to reserve one of the slots in the schedule for performing a requested service, and also receives one of the referral sources referring the client. A scheduling module reserves a scheduled slot among the slots for performing the requested service for the client. An analysis module determines whether the requested service has been performed and, when performed, stores a completion date corresponding thereto. The analysis module calculates a delay between the inquiry date and the completion date. An action module updates the historical data for the one of the referral sources based upon whether the requested services were performed, and based on the delay calculated.