generate response: I also need a train heading to cambridge on monday as well. Intent: find_train. Slots: hotel-area=north, hotel-bookday=monday, hotel-bookpeople=4, hotel-bookstay=5, hotel-internet=yes, hotel-name=avolon, hotel-parking=no, hotel-pricerange=moderate, hotel-stars=4, train-day=monday, train-destination=cambridge
Response: Where will you be leaving from?