Cas shrugged lightly, knowing that speaking with the Winchester in question generally warranted complaint. He'd simply learned to ignore them over time. After all, this wasn't the Dean who had trained him or had been distant since his choice to hunt and travel with Anna. Therefore, this Dean was a welcome sight. He at least felt as though he had his friend back. In some capacity.
"I don't know who that is, but if I see someone by that name, I'll let you know," he replied bluntly, turning around. "How are you, Dean?"
He looked well enough. Their hosts had not damaged him anymore than they'd damaged him or Anna. He knew because he'd checked Anna thoroughly for any marks and had asked her to do the same with him. He didn't trust their hosts not to do something during each transfer. He had yet to find Piotr, but that was yet another matter on his list. Apparently, humans kept such things.
Taking another drag off the cigarette, he held it in, flicking more ashes. In fact, he was starting to take a certain kind of satisfaction from it. "Have you seen Mary? Or Jo?"