Well VS agents advised that the names should match exactly
But it's a bit late to do anything about it now. You should have changed the name 1 month ago.
Did you know Hilton only allows 18 characters in the first name? Fortunately my dad will never be using that Virgin account again, but he would have problems if he wanted to fly VS as well as transfer to Hilton. According to VS your flying club name must be full passport name
I did know VS/HH required the same name for an effective transfer.
What I didn't know is that, somehow, HH has my middle name as my first name on my online account. When this happened or where it came from is beyond me.