user_turns: <SILENCE> expensive restaurant in the south part of town dont care price range what is the phone number and post code 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 restaurant in the south of town serving chinese food the good luck chinese food takeaway is in the expensive price range The phone number of the good luck chinese food takeaway is the_good_luck_chinese_food_takeaway_phone  you are welcome