generate response: Can you book 4 tickets?. Intent: book_train. Slots: train-arriveby=14:15, train-bookpeople=4, train-day=monday, train-departure=ely, train-destination=cambridge, train-leaveat=05:35, 5:35
Response: Your reservation has been made. the total fee is 17.6 GBP payable at the station. Reference number is WOG8WD79