Abstract: Disclosed is an apparatus and a system for providing information required for meeting with a desired person while travelling. A subscriber registers his or her attribute data, attribute data of a desired person and his or her travel schedule data through an input/output terminal. Input data is transferred via a communication network to a host computer. Host computer generates information regarding the other party who the subscriber can meet with for each subscriber by processing data transferred from many subscribers. Generated data is stored in an output list file, so that the subscriber is able to know a possibility to meet with a desired person while travelling by making access to the output list file through the input/output terminal.