user_turns: <SILENCE> crossover restaurant west part of town crossover food no vietnamese yes i do not care <SILENCE> may i have he phone number please 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? Did you say you are looking for a restaurant in the west of town? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine west R_price rice_boat is a nice place in the west of town The phone number of rice_boat is rice_boat_phone  you are welcome