He then shrugged his shoulders, his hands up in desperation. Which meant.. I have no idea what's going on here. He pointed to her, then to himself.. and lingered.
Then he made a gesture with his hands, as if he were slowly pushing something, and glanced at her with a questioning look, followed by a courteous bow.
He hoped she would understand his signs. He wondered if she needed him to help push her wheelchair to wherever she wanted to go.