generate response: I'm flexible, as long as I arrive by 9:00. Could you let me know the total travel time?. Intent: find_train. Slots: train-arriveby=09:00, 9:00, train-day=sunday, train-departure=cambridge, train-destination=peterborough, train-leaveat=dontcare
Response: All of the trains that day are 50 minutes travel time. Would you like to leave at 8:06, arriving at 8:56?