generate response: I need a train on sunday from cambridge to kings lynn. I'd like to arrive by 09:45. How long is the travel and what is the price? What is train ID?. Intent: find_train. Slots: train-arriveby=09:45, train-day=sunday, train-departure=cambridge, train-destination=kings lynn
Response: I can put you on TR8042 leaving Cambridge Sunday at 8:11 and arriving at 8:58. It will take 47 minutes and costs 7.84 pounds.