user: Hi! Good morning. My name is Sam and I would like to order a Mocha.

assistant: OK. Please look at this screen and let me know if this is what you ordered.

user: No, sorry. I forgot to tell you that I want my Mocha decaffeinated. Can you change my order to decaf?

assistant: Done. Please look at the screen again and confirm your corrected order.

user: Yes that's it.

assistant: Great. Your decaf Mocha will be at the coffee bar very soon.