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 addenbrookes area'
System: 'What type of food would you like? For example, Chinese, Fusion, or Greek.'
User: 'i dont care'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'The Lucky Star is located on Unit.'
User: 'uh whats the phone number'
System: 'Let me confirm. You don't care about the food. You are looking for a venue.'
User: 'correct'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'thats correct'
System: 'Are you looking for a pub or a restaurant?'
User: 'im looking for an expensive restaurant in the addenbrookes area'
System: 'The Lucky Star is on Unit and its phone number is 01223244277.'
User: 'what is the address'
System: 'The Lucky Star is on Unit.'
User: 'what is the postcode'
System: 'The Lucky Star is in the area with the postcode CB1 7DY.'
User: 'sil'
System: 'The Lucky Star is a great restaurant.'
User: 'thank you goodbye'

Output (English): Expensive