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 thai restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the People's Portraits Exhibition, Queens' College, or Sidney Sussex College.'
User: 'do not care'
System: 'There is no restaurant in the Girton area and serving thai food.'
User: 'looking for a thai restaurant'
System: 'There is no restaurant in the Girton area and serving thai food.'
User: 'another area then'
System: 'Would you like a girton area, or you don't care?'
User: 'dont care'
System: 'The Wrestlers is a great restaurant, it serves thai food and it's in the expensive price range.'
User: 'what is the address'
System: 'The Wrestlers, which is in the riverside part of town, is on 337 Newmarket Road.'
User: 'what is the phone number'
System: 'The phone number of The Wrestlers is 01223566554.'
User: 'what is the postal code'
System: 'The Wrestlers is in the area with the postcode CB5 8JE.'
User: 'unintelligible'
System: 'The Wrestlers is a great restaurant.'
User: 'thank you goodbye'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant. It's in the expensive price range.'
User: 'thank you goodbye'

Output (English): Expensive