generate response: Time I leave does not matter I just need it to arrive by 19:45.. Intent: find_train. Slots: train-arriveby=19:45, train-day=tuesday, train-departure=cambridge, train-destination=london kings cross
Response: I have a train departing Cambridge at 17:00 and arriving at London Kings Cross at 17:51. I don't have a later arrival time on Tuesday, unfortunately.