generate response: yes please book two tickets and I need my reference number as well.. Intent: book_train. Slots: train-arriveby=10:45, train-bookpeople=2, train-day=friday, train-departure=birmingham new street, train-destination=cambridge
Response: Great, I was able to get you two tickets, your reference number is: F4SQSPAE and are payable at the station. Anything else today?