user_turns: <SILENCE> south expensive address 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? the good luck chinese food takeaway is a nice place in the south of town and the prices are expensive Sure , the good luck chinese food takeaway is on the_good_luck_chinese_food_takeaway_address The phone number of the good luck chinese food takeaway is the_good_luck_chinese_food_takeaway_phone  you are welcome