user: Hello. Can I order one Mocha, please. My name is Dan.

assistant: Okay. I just entered your order, Dan. Could you please confirm it on the screen there?

user: Um, actually could we switch it to a decaf, please? Sorry about that.

assistant: No problem at all. Could you confirm that order on the screen once again?

user: Yes. That looks right.

assistant: Great. Your order will be ready in just a few moments. You can pick it up at the coffee bar.