She has absolutely heard that numerous times, and it gets a smile from her! All sorts of giddiness fills her at hearing it.

"I am!"

She's all smiles as she states it. Then he is the one she knew! That takes a huge load off her shoulders, he is the Big, bushy bearded, Mr. Alex she knows! Or knows of, at the very least. Given that he doesn't immediately recognize her means that he's either from a different point in time, never noticed her, or is more familiar with her... other, more witchy part. No matter, Abigail can deal with it regardless.

"Then... you are Mr. Alex, one of Master's friends."