generate response: Thrusday. Can I also ask the price of these trains?. Intent: find_train. Slots: train-day=thursday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=21:30
Response: The price is 16.60 pounds. I have 2 matching trains. One arrives by 23:27 and the other arrives by 01:27. Do you want to book either?