Pay attention. I certainly wouldn't yell but if you got the order wrong because you didn't understand what I was saying I would ask for the proper order. Even i

Pay attention. I certainly wouldn't yell but if you got the order wrong because you didn't understand what I was saying I would ask for the proper order. Even if the wording was redundant the message was clear that the person wants black coffee - you were too spaced out to put the information together.