user_turns: <SILENCE> north thai yes yes west area west area <SILENCE> address address phone number price range 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? You are looking for a thai restaurant right? Did you say you are looking for a restaurant in the north of town? I'm sorry but there is no thai restaurant in the north of town Could you please repeat that? api_call thai west R_price sala_thong is a nice place in the west of town serving tasty thai food Can I help you with anything else? Sure , sala_thong is on sala_thong_address The phone number of sala_thong is sala_thong_phone sala_thong is in the expensive price range  you are welcome