generate response: Yea please book that train for 4 people.. Intent: book_train. Slots: train-arriveby=16:45, train-bookpeople=4, train-day=saturday, train-departure=london liverpool street, train-destination=cambridge
Response: I have booked 4 seats on TR4078. The total is 53.12 GBP payable at the station. Your reference number is ES2CDQ5D . Is there anything else?