user_turns: <SILENCE> afghan food turkish turkish no i am looking for a restaurant serving afghan food 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? What kind of food would you like? You are looking for a restaurant serving any kind of food right? Would you like something in the cheap , moderate , or expensive price range? Can I help you with anything else?  you are welcome