graduation

i graduated from high school like last month but i graduated from online school so i dont actually walk across the stage until june. i started working at menards at the end of march and all my coworkers told me i needed to request off what i wanted in advance to make sure you get it. i requested off may 31-june 3 for my graduation because i will be in indianapolis which is the capital of my state for my graduation for that time. i realized recently that they have me scheduled for almost all those days. i put the request in about amonth and a half before i wasnt gonna be there. i am graduating at this time and wont even be in town ti be able to work my shifts i told my asst manager and she told me “just because you request it off doesnt mean you’re gonna get it” like im literally walking across the stage and getting my diploma what do i do?

TLDR: put a request in for graduation and got scheduled anyways

EDIT: talked to front end manager and HR and got it figured out