generate response: yes please book for 5 people. Intent: book_train. Slots: train-bookpeople=5, train-day=saturday, train-departure=cambridge, train-destination=london kings cross, train-leaveat=09:00
Response: Ok, the booking was successful, the total fee is 94.4 GBP payable at the station . Reference number is : 4YTQP8ST . Can I help with anything else?