Client / world model synchronous alignement for speaker verification

In order to create a useful, gracefully functioning system for travel arrangements, we have first observed the task as it is accomplished by a human.We then imitated the human while making the user believe he was dialoguing with an automatic system.As we gradually built our system, we devised ways to assess progress and to detect errors.The following described the manner in which the Carnegie Mellon Communicator was built, data collected, and assessment begun using these criteria.