generate response: I need 6 tickets. Please give me the train details.. Intent: book_train. Slots: train-arriveby=09:00, 9:00, train-bookpeople=6, train-day=saturday, train-departure=stansted airport, train-destination=cambridge
Response: Booking was successful, the total fee is 48.48 GBP payable at the station . Reference number is : FGLXQ5ZD .