Trivia: The Voice of the car thief who Jerry talks to on the phone is co-creator Larry David.
Trivia: George is wearing a "Broadway Bound" shirt. "Broadway Bound" is a Neil Simon play and Jason Alexander (George) played Stanley when the play opened on Broadway. Stanley Jerome is a neurotic, high-strung character who is constantly obsessing and worrying over details. He and his brother work at writing a comedy sketch for NBC Studios.
Answer: The name is Delores. He shouts that name at the end of the episode. Then in a later episode, "The Foundation", he runs into her. And he repeatedly calls her Delores.