generate response: I do need a train from london liverpool street on tuesday please.. Intent: find_train. Slots: hotel-area=north, hotel-bookday=tuesday, hotel-bookpeople=6, hotel-bookstay=4, hotel-type=hotel, train-day=tuesday, train-departure=london liverpool street, train-destination=cambridge, train-leaveat=15:15
Response: There are 5 leaving after 15:15. The first one is leaving at 15:39 and takes 88 minutes. You'd arrive by 17:07 and the cost is 16.60 pounds.