user_turns: <SILENCE> <SILENCE> <SILENCE> in the west thank you goodbye 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? Sorry would you like something in the south or in the west You are looking for a english restaurant right? I'm sorry but there is no restaurant serving english food  you are welcome