it will be my duty and my pleasure to offer you a short guided introduction to our proud city before the conte receives you ... ' here nero looked nervously between leonardo and ezio , trying to decide which of the two was the commissioned artist , and luckily for him settled on leonardo , the one who looked less like a man of action , ' ... messer leonardo , for a glass of veneto before dinner , which meal messer will be pleased to take in the upper servants ' hall . '