Gwenog hadn't heard the door open or close and was surprised to hear someone talk to her. She lifted her head fast, ready to hex the daylights out of whoever had managed to come in unnoticed, and then quickly understood.
"Hello," she answered, smiling briefly at the ghost. He was the spitting image of George Weasley and that was enough to tell her he was good people. For a moment, she just stared at the ghost, wondering what it could possibly want with her. "Did you want the room?"