generate response: Yes I would like to book the train for 4 people and I'll need the reference number please.. Intent: book_train. Slots: train-bookpeople=4, train-day=monday, train-departure=cambridge, train-destination=bishops stortford, train-leaveat=15:30
Response: I'm sorry, I gave you the wrong Train Number it is TR2530 not 2630. Ref no is : 0ES63CK2 . The total fee is 40.4 GBP payable at the station.