Well, one example of dramatic irony in this play would be that the audience knows that the old woman is the one that the man is looking for, but he doesn't realize it because he is expecting a young, beautiful girl.
Explanation:
The irony that is essential in speeches or a position of a drama and is understood by the audience but not comprised by the characters in the play. A dramatic irony is a form of irony that is forwarded through a work's structure: an audience's knowledge of the incidents in which a work's characters survive differs considerably from that of the characters',
