user_turns: <SILENCE> lebanese restaurant in the west part of town lebanese <SILENCE> thai food in the west of town <SILENCE> address phone number price range what is the 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? api_call lebanese west R_price Sorry there is no lebanese restaurant in the west of town api_call thai west R_price sala_thong is a nice restaurant in the west of town serving thai food Sure , sala_thong is on sala_thong_address The phone number of sala_thong is sala_thong_phone Can I help you with anything else? sala_thong is in the expensive price range  you are welcome