generate response: I don't have a specific time to leave but I do want to arrive before 14:00. How much will this cost?. Intent: find_train. Slots: train-arriveby=14:00, train-day=thursday, train-departure=cambridge, train-destination=kings lynn, train-leaveat=dontcare
Response: The price is 9.80 pounds per ticket. would you like me to book you passage?