Hi, my name is Sarah Brown and I need to check my bank balance. 
May I have your account number and PIN, please?
I can't remember them. 
Could you provide your date of birth, please?
My birthday is 29/02/1980
What is your mother's maiden name?
Wong
And what was the name of the pet you had as a child?
Molly. 
Your current balance is 9815 in credit.
Great, that's more than I thought! Thanks for the help, that is all I needed. 
Thank you and goodbye.