generate response: You don't need an arrival time. I told you my departure time is 23:30. That should be enough. Please tell me the contact number and car type when you book it. Intent: find_taxi. Slots: taxi-departure=vue cinema, vue, taxi-destination=hotel, taxi-leaveat=23:30
Response: Your car will be a white Ford, and their contact number is 07378026406. Need anything else?