generate response: No specific price range, but I do need free parking.. Intent: find_train. Slots: hotel-area=south, hotel-parking=yes, hotel-pricerange=dontcare, hotel-type=guesthouse, train-arriveby=18:00, train-day=saturday, train-departure=cambridge, train-destination=london liverpool street
Response: Rosa's Bed and Breakfast is a great one in that area and cheap. It includes free parking and wifi. Would you like me to book you a room?