generate response: Yes, go ahead and book this. I will need accommodations for 7 people. We need to book for 2 nights, starting on Sunday.. Intent: book_train. Slots: hotel-area=east, hotel-bookday=sunday, hotel-bookpeople=7, hotel-bookstay=2, hotel-name=express by holiday inn cambridge, express by holiday in cambridge, hotel-parking=yes, hotel-type=hotel, train-arriveby=14:30, train-bookpeople=7, train-day=sunday, train-departure=peterborough, train-destination=cambridge
Response: Your booking was successful. Your reference number is MULV4YIP .