Hi, there.  How may I help you?
yes, i was trying to place an order but can't because my cart is not updating when i add my order to it
Okay, I can help you with that.

Try refreshing the page and add the item again.
ok, one sec let me try that
No problem.
no still doing it
Try logging out of your account and log back in.
ok yes! that seemed to fix the problem
Great!  Can I help you with anything else today?
no thats all
Have a great day!