Lady on phone

Lady On Phone!
 
Lady On Phone:
“Hi Sir, I want to meet and talk to you. You are the father of one of my kids”
Man is stunned and says:
“Oh my God!”
Are you Jessica?
No
Pamela?
No
Anna?
No
Christina?
No
Joelle?
No
Elissa?
No
Lady in confusion:
“Sir, I am the class teacher of your son”.