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: 'looking for a thai restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'in a expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, the Regency Gallery, Wandlebury Country Park, or Primavera.'
User: 'can i have the address to that address and price'
System: 'The Wrestlers, which serves thai food, is a great restaurant. It's in the expensive price range.'
User: 'yes sounds good let me have 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: 'unintelligible thank you goodbye'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Castle Hill, or New Chesterton area.'
User: 'thank you goodbye'

Output (English): Expensive