user_turns: <SILENCE> i would like a restaurant that serves thai food <SILENCE> what is the address could you repeat the phone number what is the price range 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 ? api_call thai R_location R_price bangkok_city serves thai food . Sure , bangkok_city is on bangkok_city_address The phone number of bangkok_city is bangkok_city_phone bangkok_city is in the expensive price range  you are welcome