generate response: Yes, I need 4 tickets.. Intent: book_train. Slots: train-arriveby=18:00, train-bookpeople=4, train-day=friday, train-departure=cambridge, train-destination=stansted airport
Response: Great! I have you booked for four tickets on Train TR1316 with a total fee of 40.4 GBP. Your reference number is EFGE9M7Z . Anything else?