user_turns: <SILENCE> restaurant north part of town seafood sea food <SILENCE> <SILENCE> address <SILENCE> <SILENCE> thank you and 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 kind of food would you like? api_call R_cuisine north R_price city_stop_restaurant is a nice place in the north of town city_stop_restaurant is a great restaurant The phone number of city_stop_restaurant is city_stop_restaurant_phone city_stop_restaurant is a great restaurant restaurant_two_two is a nice place in the north of town  you are welcome