I'll like to check my account balance but I don't remember my account number and pin
Could I get your full name, please?
Katarina Miller 
Could you provide your date of birth, please?
date of birth is 06/08/1985
What was your mother's maiden name?
Sanders 
And what was the name of the pet you had as a child?
Nemo
Your current balance is 8973 in credit.