Help plss does the message that i typed made sense? and is it polite and formal?

Hi Mr.

I apologize for not attending office hours today. I was busy earlier, but if you still need me, I'm available now.

Explanation:

that excuse may work or not but probably not.

caliban is prospero's slave in the shakespear's play "the tempest"

ok so like i went to wiki and looked up the (constitution x new "hammystan")and it showed me the picture it highlights new hampshire and says first and second session and than it says that they hit up the u.s and was like "ey dude that paper u sent us was adopted it bro thx" xd syays it all on wiki/the pic

i dont really like reading so i guess other people might not like reading either so   imma put the answer in bold italics