generate response: I need to depart from London Kings Cross and go to Cambridge.. Intent: book_train. Slots: train-bookpeople=6, train-day=friday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=12:45
Response: Booked! You leave at 13:17, your reference number is 3WICPFQP, you will pay 141.6 at the station.