generate response: Could you confirm the travel time and price please?. Intent: find_train. Slots: train-day=friday, train-departure=stansted airport, train-destination=cambridge, train-leaveat=18:15
Response: Train TR5921 leaves Stansted Airport at 18:24 and arrives in Cambridge at 18:52 at a price of 10.10 pounds per ticket. Would you like to book this?