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: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'moderately priced'
System: 'What type of food would you like? For example, Northern european, American, or Mediterranean.'
User: 'fen ditton area'
System: 'Can I help you with anything else?'
User: 'fen ditton area'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, the Museum of Archaelogy and Anthropology, or Queens' College.'
User: 'fen ditton'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Northern european, or Indian.'
User: 'area'
System: 'What type of food would you like? For example, pub, Fusion, or Seafood.'
User: 'mexican'
System: 'There is no restaurant serving mexican and tex mex food in the moderate price range.'
User: 'mexican'
System: 'There is no restaurant serving mexican and tex mex food in the moderate price range.'
User: 'fen ditton area'
System: 'Would you like a moderate price range, or you don't care?'
User: 'moderate'
System: 'There is no restaurant in the Girton area and serving mexican and tex mex food.'
User: 'fen ditton'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'fen ditton area'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'i dont care'
System: 'The Rainbow Cafe, which is in the Girton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'address'
System: 'The Rainbow Cafe is located on 9a King's Parade. The price for main courses ranges from 7 pounds 95 to 10 pounds 95 and the price for a cappuccino is 1 pound 75.'
User: 'phone number'
System: 'The phone number of the Rainbow Cafe is 01223321551.'
User: 'thank you good bye'

Output (English): Moderate