generate response: 18:15 is the departure. 19:30 is the arrival.. Intent: find_train. Slots: train-arriveby=19:30, train-day=friday, train-departure=stansted airport, train-destination=cambridge, train-leaveat=18:15
Response: Train TR5921 departs from stansted airport at 18:24 and arrives at cambridge at 19:30 on friday. Is there anything else I can help you with?