user_turns: <SILENCE> i would like to find an expensive restaurant in the south part does not matter any type of food is okay <SILENCE> what is the address what is the phone number what type of food okay thank 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? There are restaurants in the expensive price range and the south of town . What type 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 taj_tandoori serves indian food taj_tandoori is a nice restaurant in the south of town in the expensive price range  you are welcome