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: 'unintelligible sil'
System: 'Can I help you with anything else?'
User: 'unintelligible sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'sil'
System: 'Can I help you with anything else?'
User: 'a restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Emmanuel College, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'no but i want an american restaurant'
System: 'Gourmet Burger , which serves american food, is a great restaurant.'
User: 'can you give me the address'
System: 'Gourmet Burger  is on 43-45 Regent Street and its phone number is 01223312598.'
User: 'what price range is it in'
System: 'Gourmet Burger , which is in the cheap price range, is on 43-45 Regent Street.'
User: 'what are the cost of the meal there'
System: 'Gourmet Burger  is an outstanding restaurant. It serves american food.'
User: 'good bye thank you'
