The Doctor turned around from where he was standing to face River, not being able to place a name to her face regrettably. Although, that wasn't a reason to not be civil towards her. After all, he had no reason to go on the defensive here just yet.

"'Ello!" he said, waving his hand. He tried to handle the items he had in his hands so that he could shake hands with her in the process. "What's your name?"