generate response: Could I have the arrival time, train ID and price for a train leaving as close to 0945 as possible. Intent: find_train. Slots: train-day=saturday, train-departure=cambridge, train-destination=birmingham new street, train-leaveat=09:45
Response: The TR7683 train leaves cambridge at 10:01 on saturday. It arrives at birmingham new street at 12:44 and the price is 60.08 pounds.