user_turns: <SILENCE> can i get a restaurant <SILENCE> <SILENCE> can i get the number 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 R_cuisine R_location R_price sala_thong is a great restaurant Sure , sala_thong is on sala_thong_address  you are welcome