user_turns: <SILENCE> swiss food any <SILENCE> address address 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? api_call swiss R_location R_price efes_restaurant is in the centre part of town . efes_restaurant is a great restaurant Sure , efes_restaurant is on efes_restaurant_address  you are welcome