Othello: Cassio Falling in the Trap

Even after he loses his position under Othello as a result of Iago's manipulation, Cassio continues to fall deeper into Iago's trap.  Iago convinces Cassio that Desdemona, Othello's wife, might be the key to convincing Othello to reinstate Cassio as one of his officers.  Cassio takes this advice, though he doesn't entirely believe that it will work, because he is desperate to regain his noble reputation.  This can only end badly.  First, the entire idea was Iago's, the root villian of the story who is intent upon every honorable characters' ruin. Also, he had already planned in previous scenes to make Othello believe that Cassio was being intimate with his lover, Desdemona.  Cassio's further interaction with her in his pleading for her to intercede on his behalf will probably come off looking very bad, especially because he no longer works for Othello and has no apparent reason to be speaking with his wife.  Cassio wastes no time in requesting to see Desdemona, "Why, no. The day had broke Before we parted. I have made bold, Iago, To send in to your wife. My suit to her Is that she will to virtuous Desdemona Procure me some access."  Iago's planning has been entirely successful so far, so it is only expected that this plan will follow through as well.  I wonder what Othello's reaction will be when he is convinced that Cassio and Desdemona are together.