generate response: Not yet but I do need a price and travel time.. Intent: find_train. Slots: train-arriveby=13:30, train-day=tuesday, train-departure=stansted airport, train-destination=cambridge
Response: TR4117 is 10.10 pounds per ticket and the duration of the trip is 28 minutes. You would leave at 12:24 and arrive in Cambridge at 12:52.