It wasn't overly complicated, but it was a new experience, so Peter was trying to walk him through it as smoothly as possible. He finished filling the cup out, adding a normal Wash' written on the side, and handed it off to the first barista. He punched the information into the register and smiled, "Alright, we got a large mocha with caramel for you today. Anything else I can get you today?"
It was a really simple order and he was even going to add some whipped cream and caramel drizzle to it at the end just to help the guy out.