user_turns: <SILENCE> south south thai whats the phone number and address 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 part of town do you have in mind? What kind of food would you like? the good luck chinese food takeaway is a nice place in the south of town The phone number of the good luck chinese food takeaway is the_good_luck_chinese_food_takeaway_phone  you are welcome