generate response: Anytime is fine by me. Can I have the train ID and travel time?. Intent: find_train. Slots: train-day=thursday, train-departure=birmingham new street, train-destination=cambridge, train-leaveat=12:15
Response: The train departing closest to 12:15 is the TR3498, which leaves at 12:40. The duration of the trip is 163 minutes.