user_turns: <SILENCE> any food any kind of food <SILENCE> what is the phone number 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 ? What kind of food would you like? api_call R_cuisine south expensive taj_tandoori is a nice restaurant in the south of town serving indian food Sure , taj_tandoori is on taj_tandoori_address The phone number of taj_tandoori is taj_tandoori_phone  you are welcome