Requester: "I want two pepperoni pizzas, one with extra cheese."
AI Response: "I can have 3 pizzas, two pepperoni, and one cheese (with extra cheese), delivered from Dominos for $24.15"
Requester: "No, I wanted two pepperoni pizzas, with extra cheese on one of them"
Human steps in after the "no" is detected: "Sorry, I misunderstood your request, I can get two pepperoni pizzas with extra cheese on one of them for $16.50 from Dominos"
Requester: "Yes, thanks."
======
It'll just be a matter of time as the automation spreads to less and less mundane topics.
The user confirmation makes sure the automation didn't screw something up, and if the user doesn't responds positively to a certain threshold then humans take over. The threshold can be dynamic depending on accuracy of text recognition.