generate response: I need to leave friday and go to birmingham new street. Intent: find_train. Slots: train-day=friday, train-departure=cambridge, train-destination=birmingham new street, train-leaveat=11:00
Response: There's a train departing at 11:01. Would that work? If not, the train's are every hour at 1 minute past. I can book whichever train you'd like.