The hierarchical organization of most voice systems limits the conversation to what the designer of the system thought was relevant. However, the choices presented may not be what you, the user, consider relevant. Consequently, voice systems are not necessarily more efficient than speaking with a real human. Moviephone is a telephone-based system that serves as a language construction and conveying tool. It allows you to get information about movies currently playing in theatres and to purchase tickets.
Language is oral and symbolic only.
MoviePhone conveys language to you through prerecorded audio clips. Content and organization is predetermined and designed to meet user intentions. MoviePhone uses a hierarchy of prerecorded audio clips. While you can t originate new thoughts of your own within MoviePhone, you are in charge of the path the conversation takes. At each decision point presented by MoviePhone, you select a choice by pushing an appropriate touch tone button on your phone.