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: 'unintelligible sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'unintelligible sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'im looking for a expensive pub food restaurant'
System: 'What type of food would you like? For example, American, Indian, or Japanese.'
User: 'restaurant with pub food'
System: 'Revolution is an outstanding restaurant. It serves pub food. It's in the expensive price range.'
User: 'pub food'
System: 'Revolution, which serves pub food, is an outstanding restaurant. It's in the expensive price range.'
User: 'may i have the address and area'
System: 'Revolution is located on 3-7 Downing Street.'
User: 'area'
System: 'Revolution is an outstanding restaurant.'
User: 'sil'
System: 'Revolution is a great restaurant.'
User: 'what area is the restaurant in'
System: 'Revolution is in the central part of town.'
User: 'in what area'
System: 'Revolution is in the central part of town.'
User: 'thank you and good bye'

Output (English): Expensive