generate response: It doesn't matter when I arrive, but I need to make a booking for 5 people. And I definitely need a reference number for the booking.. Intent: book_train. Slots: train-arriveby=dontcare, train-bookpeople=5, train-day=sunday, train-departure=cambridge, train-destination=leicester, train-leaveat=20:00
Response: Booking was successful, the total fee is 151.19 GBP payable at the station, your reference number is EM5AYOET . Will that be all?