generate response: Hello I need a train leaving after 13:00 that is departing from London Liverpool Street please.. Intent: find_train. Slots: train-departure=london liverpool street, train-leaveat=13:00
Response: There are trains leaving every 2 hours at 39 minutes past the hour from 13:39 until 23:39. All cost 16.60 pounds and take 88 minutes. Which do you prefer?