Hai
Hi, my name is Casey. How may I help you today?
I want to see a previous month's bill?
Sure! I'll do that for you right away. may I know your name please?
My name is  bala
Thank you! May I also know the last 4 digits of the SSN.
SSN number is 5963
Thank you. I see that you have been charge $7 on your previous bill from 1/8/18 to 31/8/18.
okay
Also, I see that you have been charge $7 on your current bill from 1/9/18 to 26/9/18.
Thanks for your information
You're welcome! Is there anything else I may help you with today?