Hi, there!  How may I help you today?
My name's Joseph Banter, I need to dispute a bill
Okay, Mr. Banter.  I can help you with this.  First, I am going to pull up your account.

What exactly is the issue with the bill?
It regards my premium subscription.  I was charged twice for the subscription
Okay, I can look into that for you. May I please have your Account ID and Order ID?
QG4PPJGHGZ 8420533828
May I have your membership level, please?
Guest
Okay, thank you.  I am checking the system.

I can refund the amount.
Ah, that would be great
How much was the extra charge?
$40
Your refund has been approve.  May I help you with anything else today?
No, that's everything.  Thank you.
You're welcome.  Have a great day.