...I do not have the qualifications to assist you. I'm sorry.

[Only a split-second later, she decides how best to continue.]

I will give you my order so that we do not waste any more time. I will take five coffees with the following additives: one large black with one sugar, one medium with double cream triple sugar, one small with milk and sugar, one extra-large with double milk and sugar substitute, and another medium with one cream.

Oh, and one small hot chocolate.