generate response: I will be going from cambridge to stansted. I need to arrive by 9:30. Thaks. Intent: find_train. Slots: train-arriveby=9:30, 09:30, train-day=saturday, train-departure=cambridge, train-destination=stansted airport
Response: The TR5580 train arrives t stansted airport by 9:08. Would you like to purchase some tickets or get more information?