You asked your friend Joe, (whom you know to be avid about cryptography), who he would ask to dance with at Prom and you receive later inside your locker signed by Joe this:
Happy as a Lark in a meadow,
Kind as a anonymous donor,
as Sunny and the midsummer's day,
Reliable as the sun rise that comes daily,
this is my answer, Zack
-Joe
Hint 1
You will have to do some cryptography.
Hint 2:
The cipher used is a simple substitution.
Hint 3
The cipher used is not a caesar cipher