She probably thought St Nick was out doing some shopping.
The young lady moved toward the man before what had all the earmarks of being a choice of the searing dish at a bargain.
Dislike St Nick’s mythical beings can make everything; we’re certain St Nick needs to get out and do a little shopping occasionally too.
The mythical beings need to go the entire year making toys; St Nick needs to purchase his own kitchen supplies.
The man might have expressed something as per “No young lady, I’m not St Nick” and been on his happy way.