user_turns: <SILENCE> i am searching for a restaurant in the center that serves barbecue food is there a restaurant that serves modern_european is there a restaurant that serves modern_european i dont care is there a modern_european restaurant i dont care i dont care i dont care dont care wrong is there a restaurant serving modern_european food is there a restaurant serving modern_european food cheap what is its address is it in the center 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 ? There are restaurants in the centre of town . What type of food do you want? I'm sorry but there is no restaurant serving barbeque food Could you please repeat that? I'm sorry but there is no restaurant serving barbeque food Could you please repeat that? You are looking for a barbeque restaurant right? I'm sorry but there is no restaurant serving barbeque food Could you please repeat that? I'm sorry but there is no restaurant serving barbeque food Could you please repeat that? You are looking for a barbeque restaurant right? I'm sorry but there is no restaurant serving barbeque food Could you please repeat that? There are restaurants serving modern_european food . What price range do you want? the river bar steakhouse and grill serves modern_european food in the cheap price range Sure , the river bar steakhouse and grill is on the_river_bar_steakhouse_and_grill_address the river bar steakhouse and grill is a nice place in the centre of town  you are welcome