generate response: Is it available for 7 people for 4 nights starting from Friday?. Intent: find_train. Slots: hotel-area=north, hotel-bookday=friday, hotel-bookpeople=7, hotel-bookstay=4, hotel-name=acorn guest house, hotel-parking=yes, hotel-stars=4
Response: Booking was successful. Reference number is : 98H31LT2 .