user_turns: <SILENCE> i want brazilian food care <SILENCE> what is the address and phone number thank you good bye 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 brazilian R_location R_price sala_thong is a great restaurant The phone number of sala_thong is sala_thong_phone sala_thong is a great restaurant  you are welcome