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: 'noise'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'noise'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'noise'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'noise'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'i need to find an east in asian restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'moderate'
System: 'Little Seoul, which serves east asian food, is an outstanding restaurant. It's in the moderate price range.'
User: 'moderate price range'
System: 'Little Seoul is an outstanding restaurant and it serves east asian food. It's in the moderate price range.'
User: 'moderate'
System: 'Little Seoul is an outstanding restaurant, it serves east asian food and it's in the moderate price range.'
User: 'what is the phone number and address'
System: 'Little Seoul is on 108 Regent Street and its phone number is 01223308681.'
User: 'noise'
System: 'Little Seoul, which serves east asian food, is a great restaurant. It's in the moderate price range.'
User: 'sil'
System: 'Little Seoul, which serves east asian food, is a great restaurant. It's in the moderate price range.'
User: 'what is the phone number and address'
System: 'Little Seoul is on 108 Regent Street and its phone number is 01223308681.'
User: 'thank you goodbye'

Output (English): Moderate