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 east asian restaurant and it should be in the expensive price range'
System: 'Shiraz, which serves east asian food, is a great restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'Shiraz is located on 84 Regent Street. The price for main courses ranges from 9 pounds to 14 pounds 15.'
User: 'what is the phone number'
System: 'The phone number of Shiraz is 01223902104.'
User: 'and what is the area'
System: 'Shiraz is in the riverside part of town.'
User: 'thank you good bye'

Output (English): Expensive