Your point of view

I should tell them I'm not the Yeon Hee that they're looking for.

"Kang Won-ssi, I'm not the Yeon Hee that's supposed to be here." What if they don't believe me? "Kang Won-ssi, I think this job doesn't suit me..." That just sounds contrived. I should really talk to Eun Young.

You tried to dig around for your phone in your bag so you can call Eun Young. That's when you realised that the contents do not belong to you! You are startled and start to pour all the contents out on the dressing table in the waiting room. You panicked as you see that... THIS BAG DOES NOT BELONG TO YOU. As the shock sets in, you tried to calm yourself down mentally and paced around the small space.

Since when have I been carrying this bag?! This is my mailman satchel... yes it is! So when did it get switched? Swopped with WHOM? I should ask for help. Cops? Ok, cops. I need my own bag back! My wallet's in there! My work and savings log is in there! Argh!

You pick up the phone that is lying among the items that you've poured out from the now foreign bag. That's when it got to you that THIS PHONE IS NOT YOURS.

! This is not my phone! ! What the heck. *crying inwardly*

You decided to investigate just what person the owner of this bag might be by looking through the phone. You unlocked the screen and breathed a sigh of relief that it's not locked by a password. There are a dozen missed calls -- all from "Kim Kang Won Manager". Putting two and two together, you made a revelation...

This person is THE YEON HEE that everyone's looking for!