generate response: The 11:09 train would be fine. I need 3 tickets and a reference number, please.. Intent: book_train. Slots: train-arriveby=13:45, train-bookpeople=3, train-day=tuesday, train-departure=leicester, train-destination=cambridge
Response: Booking was successful, the total fee is 113.4 GBP payable at the station. Reference number is : E1IVJM0G .