generate response: Cambridge. I would like to leave after 15:30 if possible.. Intent: find_train. Slots: train-day=wednesday, train-departure=cambridge, train-destination=ely, train-leaveat=15:30
Response: TR6745 departs cambridge at 15:50 Wednesday, arriving at Ely at 16:07. Will that one work for you? It's only 4.40 GBP to ride.