generate response: I'm going to king's lynn, and I need to arrive by 21:00.. Intent: find_train. Slots: train-arriveby=21:00, train-day=thursday, train-departure=cambridge, train-destination=kings lynn
Response: There are 16 trains traveling that path that will arrive no later than 21:00. The earliest leave time is 5:11 A.M. Is there a time that you would like to leave?