Okay, what time?
Hello, how can I help?
My name is Brian White, I would like to check my account status
Can you tell me your account number, please?
Are we both users
No, I'm the AI Assistant. Can I have your account number please?
153531981 
Right, and your PIN as well please.
I lost it, MY DOV is 31/06/1996
And what was the name of the pet you had as a child?
Poppy
What was your mother's maiden name?