hi i need to find a place to stay with a 3 star rating with free parking
{'service': 'hotel', 'act': 'request', 'slot_name': 'price', 'value': '?'} {'service': 'hotel', 'act': 'inform', 'slot_name': 'choice', 'value': '6'} {'service': 'hotel', 'act': 'inform', 'slot_name': 'type', 'value': 'hotel'} {'service': 'hotel', 'act': 'inform', 'slot_name': 'stars', 'value': '4'}
there are 64 star hotel -s in cambridge . do you have a preferred price range ?