Don’t worry he’s friendly
Here if you request a day they have 24 hours to deny it. Otherwise you get the day and a higher seniority can't later come along and bump you. Seniority only matters when the requests are first made.
Now I like that.
I’ve had petty higher seniority bump me from personal days I made well in advance.
There is nothing wrong with calling out on a day you could not book off. It is no different than any other call out. Nice to know the company has so many good boys working for them though.