user_turns: <SILENCE> <SILENCE> <SILENCE> expensive french <SILENCE> expensive french food no something else i want french food french food any part of town expensive address and phone number 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 part of town do you have in mind? What kind of food would you like? api_call french R_location expensive royal_standard is in the east part of town . The post code of royal_standard is royal_standard_post_code royal_standard is in the east part of town . Sorry there is no french restaurant in the east of town cote is a nice restaurant in the centre of town serving french food cote serves french food . The phone number of cote is cote_phone  you are welcome