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 an expensive restaurant in the castle hill area'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Newnham, or Romsey area.'
User: 'ah castle hill area'
System: 'What type of food would you like? For example, Drinks and snacks only, Continental, or International.'
User: 'ah doesnt matter'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'expensive restaurant'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'yes venue'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, Christ's College, or Pembroke College.'
User: 'no'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'ah sounds good whats the price'
System: 'Blue Spice is an outstanding venue. The price for main courses ranges from 12 pounds 50 to 12 pounds 50.'
User: 'and whats the phone number'
System: 'The phone number of Blue Spice is 01223413337.'
User: 'thank you good bye'

Output (English): Expensive