generate response: Before I forget, I need the reference number for the train booking. Also, I am looking for attractions in the south part of town, maybe something outdoors, if possible.. Intent: book_train. Slots: attraction-area=south, attraction-type=park, train-bookpeople=2, train-day=tuesday, train-departure=cambridge, train-destination=kings lynn, train-leaveat=19:45
Response: Of course, the train reference # is XMW6EMF9 . Also, there are 2 parks in the south: wandlebury country park, and sheep's green and lammas land park fen causeway.