user_turns: <SILENCE> danish food north north spanish food yes knocking thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? What part of town do you have in mind? Sorry would you like something in the north or in the east What kind of food would you like? I'm sorry but there is no restaurant serving danish food You are looking for a asian_oriental restaurant right?  you are welcome