Upstairs office

I was in the office yesterday my mentor and colleague always make fun of each other. They think they are funny and sometimes they do, I am trying to agree hahahahha..
Lamest joke ever.

Anyways, there was call from one of the client. He was querying and referred the matter  to my mentor. Took him awhile to figure out what went wrong. So my colleague told me Mr L went to upstairs office.

I didn't understand what he was talking about so I went to Mr L office and I asked if there is  an office upstairs? Actually we are already at the top floor of the building  that's why I am so confused and out of my curiosity I  have to go and have a look at Mr L office to ask to double confirm. What an idiot !

They all laughed because an upstair office is where Mr L contemplating. Omg. I have made a scene.
Whatever! I m contemplating my Star