This paper describes the system ”Shinkansen Travel Guide System” designed by using the symbol manupulating language LISP. This system is intended to select a desired schedule of Tokaido and Sanyo Shinkansen through the conversation between user and computer. In this system, the contents of the conversation is retricted to Shinkansen travel guide, and so the answer from user is processed by the simple language understanding part. Also, this system facilitates to correct the error inputted station names and to modify the data in the timetable.