Hi Hello Sir!
Hello! how may i help you ?
I need to reverse some charges in my credit card?
Okay sure, I'll help you with that! May I know your first and last name?
John Sum
Would you please share the last four digit of your account number?
0023
would you please help me with the last digit of your SSN?
My ssn# xxxx
Kindly elaborate more on the query?
My Last 4 digit SSN# is 2341
Thanks for sharing that information John, please elaborate more on your query?
I seen my last month credit card some extra charges like TAX.  I need to reverse these charges
Could you please help me with the date and amount of the charge?
05/24/2018 $25
Great, please allow me a moment.
sure
Okay, I've made a request for the refund of $25 on account 0023.
Great very thank you
Is there anything else I can assist you with?