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: 'background noise'
System: 'What kind of venue are you looking for? For example, a restaurant.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'im looking for a cheap restaurant in'
System: 'What type of food would you like? For example, Northern european, pub, or Traditional.'
User: 'im looking for a cheap restaurant and it should be in the castle ill harea'
System: 'What type of food would you like? For example, Middleeastern, Turkish, or Vegetarian.'
User: 'traditional'
System: 'Are you looking for somewhere near a particular venue? For example, Artspace, the Book and Print Gallery, or the Museum of Classical Archaeology.'
User: 'middle eastern'
System: 'There is no restaurant in the central area and serving middleeastern food.'
User: 'beeping'
System: 'There is no restaurant serving middleeastern food in the cheap price range.'
User: 'beeping any one'
System: 'La Raza, which is in the central part of town, is a great restaurant. It's in the cheap price range.'
User: 'thank you good bye'

Output (English): Cheap