generate response: Yes please, for 5 people.. Intent: book_train. Slots: train-arriveby=19:30, train-bookpeople=5, train-day=saturday, train-departure=cambridge, train-destination=kings lynn, train-leaveat=18:00
Response: Booking was successful, the total fee is 39.2 GBP payable at the station . Reference number is : QKQT1KP9 .