generate response: I would like to take a train from stansted airport to cambridge, on Thursday, with arrival by 13:30.. Intent: find_train. Slots: restaurant-area=north, restaurant-bookday=thursday, restaurant-bookpeople=5, restaurant-booktime=16:30, restaurant-food=asian oriental, restaurant-name=saigon city, restaurant-pricerange=expensive, train-arriveby=13:30, train-day=thursday, train-departure=stansted airport, train-destination=cambridge
Response: TR9775 arrives by 12:52, would you like more info or tickets?