generate response: I don't need anything booked. I just need to get the arrival time, travel time and price of a train from norwich to cambridge leaving after 21:15.. Intent: find_train. Slots: train-day=monday, train-departure=norwich, train-destination=cambridge, train-leaveat=21:15
Response: There are trains arriving at 22:35, 23:35 and 24:35. They are 17.60 pounds and 79 minutes each.