We would terrify

I’m not sure why that thing comes to my store, or where it takes that coffee, but I am sure it’s for someone or something else. I can recognize the bad temperament of an unpaid intern anywhere, and I can only hope whatever dark lord it serves is content with its beverage, for its sake and mine. I seem to be doing well so far.

Source: [WP] You are a barista in a 24 hour coffee shop. Every night at 3:33am a demon appears for the Dark Lord’s latte. : WritingPrompts

We have been of coffee service.

We will be of coffee service.