user_turns: <SILENCE> bistro turkish north north no yes thank you goodbye
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 ? I'm sorry but there is no restaurant serving bistro food What part of town do you have in mind? I'm sorry but there is no turkish restaurant in the east of town Did you say you are looking for a restaurant in the north of town? You are looking for a turkish restaurant right? I'm sorry but there is no turkish restaurant in the north of town  you are welcome