generate response: I am looking at departing after 20:45 from the birmingham new street on Monday.. Intent: find_train. Slots: train-day=monday, train-departure=birmingham new street, train-destination=cambridge, train-leaveat=20:45
Response: There are three trains that meet that criteria. One departs at 21:40, one departs at 22:40 and the last departs at 23:40. Which would you like?