Task: Dialogue State Tracking
Input (English): 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: 'im looking for a restaurant in the castle hill area'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'it should be expensive um'
System: 'Are you looking for somewhere near a particular venue? For example, the Michaelhouse Centre, Milton Country Park, or Trinity College.'
User: 'um expensive high end'
System: 'Would you like thai or X food?'
User: 'castle hill'
System: 'Would you like thai or X food?'
User: 'thai'
System: 'What part of town do you have in mind? For example, Castle Hill, or Girton.'
User: 'thai'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, the Saint Barnabas Press Gallery, or Saint Catharine's College.'
User: 'castle hill'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum Of Technology, Downing College, or the Gallery at twelve A High Street.'
User: 'no'
System: 'The Wrestlers is an outstanding restaurant, it serves thai food and it's in the expensive price range.'
User: 'no that doesnt matter'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'The Wrestlers is on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'what is the address'
System: 'The Wrestlers is located on 337 Newmarket Road.'
User: 'thank you'
System: 'Can I help you with anything else?'
User: 'thank you goodbye'

Output (English): Expensive