"Well then, how about an order?"
The customer was obviously ready to buy and the young salesman's reluctance to close was only raising suspicions in the client's mind. If the manager hadn't stepped in, the sale could have been lost.
However, using a more senior person as a "closer" is a poor selling model: the salesperson should feel adequately equipped, trained, and empowered to ask for the business.
ACTION POINT: Ask for the business, even if it feels uncomfortable. Research has revealed that customer rank asking for their business as the sixth most important reason for doing the deal.