When you speak Korean to someone who is older than you - you use some special forms called HONORIFICS. Also, I have posted a link to my website so that you can get TRANSCRIPTS to all the podcast episodes.
https://onlinekoreaned.wordpress.com/2020/09/13/speaking-korean-with-honorifics/
https://www.youtube.com/watch?v=dHEprgE0YoI