generate response: Yes, please book 8 tickets on the last train to arrive before 8:30.. Intent: book_train. Slots: train-arriveby=08:30, 8:30, train-bookpeople=8, train-day=wednesday, train-departure=broxbourne, train-destination=cambridge
Response: Booking was successful, the total fee is 143.19 GBP payable at the station . Reference number is : EJJGOJ29 .