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'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'american food'
System: 'Can I help you with anything else?'
User: 'american restaurant'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Castle Hill, or riverside area.'
User: 'american'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant.'
User: 'any part of town'
System: 'Gourmet Burger , which is in the central part of town, is on 43-45 Regent Street. It's in the area with the postcode CB2 1AB.'
User: 'unintelligible'
System: 'Gourmet Burger , which serves american food, is a great restaurant. It's in the cheap price range.'
User: 'yes that sounds good can i have the address'
System: 'Gourmet Burger  is located on 43-45 Regent Street.'
User: 'background noise'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes