It isn't the waitstaff's only job to serve you. They're also interpreters that can skillfully translate a wide variety of awkward-speak.
I'll bet he let it slide and pretended his name was "Speaking." That's what I would've done. #awkward
Hey office lackeys, I can't seem to find the source for this rage comic. If anybody has a link, I'll see if I can allot some internets for you.