generate response: I will need to know the entrance fee as well. Once I get that I also need help finding a train leaving Cambridge to kings lynn after 16:45.. Intent: find_train. Slots: attraction-name=kettles yard, kettle's yard, train-departure=cambridge, train-destination=kings lynn, train-leaveat=16:45
Response: The entrance is free for both attractions. I have found you a train that departs from Cambridge at 17:11 and arrives in Kings Lynn at 17:58.