Hello, how can I help you today?
I'm trying to make a purchase but my online cart will not update.
Got it, may I have your full name please?
Albert Sanders
thank you.

Can you refresh the page and add the item again?
I'll try No, that didn't work
try logging out and logging back in.
Ok hold on a second No luck
Can you check if the selected item is out-of-stock?
Oh geez.  Yes, it says it is out of stock.  That must be the problem.
great, is there anything else that I can help you with?
That's everything.  Thanks for your help.
have a nice day.