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: 'looking for an expensive restaurant in trumpington'
System: 'Are you looking for somewhere near a particular venue? For example, Artspace, Wandlebury Country Park, or Primavera.'
User: 'trumpington area'
System: 'What type of food would you like? For example, pub, American, or Thai.'
User: 'american'
System: 'What type of food would you like? For example, Chinese take away, Middleeastern, or Vegetarian.'
User: 'expensive chinese food'
System: 'Wok n Grill, which is in the Trumpington part of town, is a great restaurant. This place, which serves chinese food, is in the expensive price range.'
User: 'what is the address'
System: 'Wok n Grill is located on 18 High Street, Trumpington.'
User: 'thank you goodbye'

Output (English): Expensive