generate response: I actually dont need a booking. Just the train ID, arrival time and price per ticket please.. Intent: find_train. Slots: train-day=sunday, train-departure=stansted airport, train-destination=cambridge, train-leaveat=14:30
Response: TR9680 leaves Stansted Airport at 15:24 and arrives at 15:52 in Cambridge. The price is 8.08 pounds per ticket, and the duration of the trip is 28 minutes.