generate response: Yes, please. I need tickets for 7 people.. Intent: book_train. Slots: train-arriveby=19:15, train-bookpeople=7, train-day=thursday, train-departure=cambridge, train-destination=kings lynn
Response: Booking was successful, the total fee is 68.6 GBP payable at the station . Reference number is : 7E54PFPZ .