That is pretty much correct. I try to avoid servicing any kind of chargeback, as that typically results in the customer having to just pay what they had charged back.
Of course, I am sure there are some things I have not yet heard of, which I may not be able to service, so it normally is just better to ask.
What Game Were you Banned?
Why were you banned?
Have you appealed the ban?
Have you been banned before?
Where did you hear about my service ?
Do you have a Promo code from a referral?
What is your Skype ?