generate response: Woah, wait, the train needs to arrive by 7:15, not depart. I doubt the train ride is 4 minutes, right?. Intent: find_train. Slots: train-arriveby=19:15, train-day=friday, train-departure=kings lynn, train-destination=cambridge
Response: The train will arrive by 7:15pm (19:15) and is 47 minutes long, not 4 minutes. Is there anything else I can help you with?