Wool-san

A conversation I had yesterday between leader Taiki-san about a change in schedule.

Taiki-san: So please let them know that they should come at 7:15 and their lunch is provided this time.
Anna: OK, well, I'll let the TIU group know and it looks like Will-san is also coming on that Saturday, so...
T: (Sounding worried) Who?
A: (Didn't he get my email?) Will-san!
T: W-...Wool-san?
A: Nooooooo! Wiiiiillll-san!
T: Wool-san. Wool-san??
A: Noooo! [Last name] Will-san!
T: (After a pause) Oooh! Wuiriamu san!
A: (Hahaha! <3<3) Yes! William!
T: OK OK!
A: So, I'll let William-san know, and...