user_turns: <SILENCE> how about thai food i dont care about the price range what about thai food thai food i dont care <SILENCE> what is the address what is the phone 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 ? I'm sorry but there is no restaurant serving world food You are looking for a world restaurant right? What part of town do you have in mind? 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  you are welcome