i need a restaurant located in the centre for a moderate price .
{'service': 'restaurant', 'act': 'request', 'slot_name': 'food', 'value': '?'} {'service': 'restaurant', 'act': 'inform', 'slot_name': 'choice', 'value': '21'}
sure , i can help you with that . i have 21 restaurant -s available . would you like a certain type of food ?