generate response: Okay book it for 2 people for 3 nights and let me have the reference number. Also find me a Train departing from London liverpool street to arrive Cambridge by 08:15.. Intent: find_train. Slots: hotel-area=north, hotel-bookpeople=2, hotel-bookstay=3, hotel-internet=dontcare, hotel-name=acorn guest house, hotel-parking=yes, hotel-pricerange=dontcare, hotel-stars=4, hotel-type=guesthouse, train-arriveby=08:15, train-departure=london liverpool street, train-destination=cambridge
Response: London liverpool street to arrive Cambridge by 08:15 the TR536 leaves at 8:00,Would you like me to book it for you ?