generate response: Yes, I need to arrive in Peterborough by 13:45. How long is the train ride?. Intent: find_train. Slots: train-arriveby=13:45, train-day=tuesday, train-departure=cambridge, train-destination=peterborough
Response: The train ride is 50 minutes long. TR6310 leaves at 12:34 and arrives at 13:24. Would you like me to book you a ticket?