System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'knocking sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'american restaurant'
System: 'There is no restaurant serving american food that is providing services for free.'
User: 'restaurant'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant.'
User: 'whats the address and price range'
System: 'Gourmet Burger  is located on 43-45 Regent Street. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'sil'
System: 'Gourmet Burger  is a great restaurant.'
User: 'noise sil'
System: 'Gourmet Burger  is a great restaurant.'
User: 'noise sil'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'breathing thank you good bye'
Question: 'Did the user mention price range they are looking for?'
