You shouldn't forget someone's name.
Bill is starting his second day at work after meeting his co-workers for the first time yesterday.
Bill wants to greet the office receptionist.
Bill greets the receptionist using her first name.
"Bill says ""Hi Jennifer"" although the receptionists name is Jan."
The receptionist appreciations that Bill remembers her name and feels friendly toward Bill.
The receptionist feels insulated that Bill didn't remember her name and is unfriendly to Bill.