i need to find an expensive restauant that s in the south section of the city .
{'service': 'restaurant', 'act': 'request', 'slot_name': 'food', 'value': '?'} {'service': 'restaurant', 'act': 'inform', 'slot_name': 'price', 'value': 'expensive'} {'service': 'restaurant', 'act': 'inform', 'slot_name': 'choice', 'value': 'several'} {'service': 'restaurant', 'act': 'inform', 'slot_name': 'area', 'value': 'south part of town '}
there are several restaurant -s in the south part of town that serve expensive food . do you have a cuisine preference ?