Sam Winchester: Billie… uh, uh, Death assigned a reaper to keep an eye on Dean and me. Her name is Jessica, and she is always…

Violet: Hello.

Sam Winchester: Where’s Jessica?

Violet: Well, my name’s Violet. It’s my shift. We have shifts now, because you mess up so, so many things.

From Supernatural – Season 14 Episode 10: ‘Nihilism’ (14×10)