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: 'coffee shop serving english food with cheap price range'
System: 'There is no restaurant serving english food in the cheap price range.'
User: 'sil'
System: 'There is no restaurant serving english food in the cheap price range.'
User: 'thank you good bye'
System: 'Would you like a cheap price range, or you don't care?'
User: 'yes'
System: 'Would you like an english food, or you don't care?'
User: 'yes'
System: 'Would you like a cheap price range, or you don't care?'
User: 'thank you good bye'
