user_turns: <SILENCE> restaurant thai food thai food west <SILENCE> 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 restaurant serving any kind of food right? There are restaurants serving thai food . What area do you want? api_call thai west R_price sala_thong is a nice place in the west of town serving tasty thai food 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