A conversation

A: Are you B?
B: Yes, you are?
A: I am A, last week when i was moving away, i left a pair of slipper there. Do you see it?
B: How does your slipper looks like?
A: That pair of slippers, one is for left foot, another is for right foot.
B: Oh, ok, I saw it.

This is the conversation between one of my colleagues with his ex housemates. Really unexpected from both sides...