user_turns: <SILENCE> expensive restaurant in the south any south <SILENCE> expensive would like expensive south part of town south phone number south area dont care north thank you goodbye address south thank you goodbye
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? What part of town do you have in mind? api_call R_cuisine R_location expensive zizzi_cambridge is a great restaurant serving italian food and it is in the cheap price range The price range at zizzi_cambridge is cheap . don_pasquale_pizzeria is a great restaurant serving italian food and it is in the expensive price range don_pasquale_pizzeria is a nice place in the centre of town The price range at don_pasquale_pizzeria is expensive . The phone number of don_pasquale_pizzeria is don_pasquale_pizzeria_phone don_pasquale_pizzeria is a nice place in the centre of town The price range at don_pasquale_pizzeria is expensive . the_hotpot is a nice restaurant in the north of town serving chinese food the_hotpot is a nice restaurant in the north of town in the expensive price range Sure , the_hotpot is on the_hotpot_address the_hotpot is a nice restaurant in the north of town in the expensive price range  you are welcome