generate response: The acorn guest house will do nicely. I would like to book 4 nights starting Monday accommodating 4 guests. I will need the reference number.. Intent: find_train. Slots: hotel-area=north, hotel-bookday=monday, hotel-bookpeople=4, hotel-bookstay=4, hotel-internet=dontcare, hotel-name=the acorn guest house, hotel-parking=dontcare, hotel-pricerange=expensive, hotel-type=hotel, train-day=monday, train-departure=peterborough, train-destination=cambridge, train-leaveat=13:45
Response: The booking is successful, reference number is Y2ATA7D2 .