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: 'i need an east asian restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'moderate price range'
System: 'Little Seoul, which serves east asian food, is an outstanding restaurant. It's in the moderate price range.'
User: 'thank you good bye'

Output (English): Expensive