Door Cards

So this happened a few timez olready.

My faithful servants tak me out for potty business and then we come bak to the building.

In front of the door, they have a surreal dialogue:

- Do you have the door card?

- No, I left it inside, do you have the door card? 

- No, I left it inside as well

They think that the card iz inzide.

They have no memory of it.

Let me guess, small, plastic, white?

I vaguely remember something ...