Paper: Talk'n'Travel: A Conversational System For Air Travel Planning

ACL ID A00-1010
Title Talk'n'Travel: A Conversational System For Air Travel Planning
Venue Annual Conference of the North American Chapter of the Association for Computational Linguistics
Session Main Conference
Year 2000

We describe Talk'n'Travel, a spoken dialogue language system for making air travel plans over the telephone. Talk'n'Travel is a fully conversational, mixed-initiative system that allows the user to specify the constraints on his travel plan in arbitrary order, ask questions, etc. , in general spoken English. The system operates according to a plan-based agenda mechanism, rather than a finite state network, and attempts to negotiate with the user when not all of his constraints can be met. freedom to say anything at any time. His utterances can affect just the current subtask, or multiple subtasks at once ("I want to go from Denver to Chicago and then to San Diego"). He can go back and change the specifications for completed subtasks. And there are important constraints, such as temporal re...