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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'sil'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'an expensive restaurant in the addenbrookes area'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'expensive'
System: 'Can I help you with anything else?'
User: 'may i have the address phone number and postcode'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Michaelhouse Centre, or Trinity College.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Holy Trinity Church, Pembroke College, or Trinity College.'
User: 'thank you goodbye'

Output (English): Expensive