generate response: I will be traveling on Friday from London Liverpool Street to Cambridge.. Intent: find_train. Slots: hotel-area=north, hotel-bookday=friday, hotel-bookpeople=6, hotel-bookstay=2, hotel-internet=yes, hotel-name=lovell lodge, hotel-parking=dontcare, hotel-pricerange=moderate, hotel-type=hotel, train-day=friday, train-departure=london liverpool street, train-destination=cambridge
Response: OK, we have ten trains that day, any time in mind?