generate response: I am going to London Liverpool Street and need to leave Cambridge after 14:45.. Intent: find_train. Slots: train-day=monday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=14:45
Response: There are 5 trains available leaving at 15:59, 17:59, 19:59, 21:59, and 23:59. They all take 88 minutes and cost 16.60 pounds.