User: Hi, I would like to buy movie tickets.
Assistant: Which movie theatre do you want to go to?
User: Any theatre in the downtown area.
Assistant: When do you want to go to the movies?
User: Tonight.
Assistant: What movie do you want to watch?
User: Dolittle.
Assistant: For how many people?
User: 2
Assistant: What time showing do you prefer?
User: 7:00PM.
Assistant: Is there a specific screen type?
User: Standard.
Assistant: There does not appear to be a standard showing for 7:00PM. There is one for 7:30PM. Do you want to continue?