when you say "caffe" in italy, espresso is implicit, but you never know with tourists even though this one said: "due caffe e mezzo litro d'aqua gassata!"

How would the previous sentence be correctly capitalized?
When you say "caffe" in Italy, espresso is implicit, but you never know with tourists even though this one said: "Due caffe e mezzo litro d'aqua gassata!"