Here is a sample template you can use to write a letter apologizing for flirting.
To
[Name],
My thoughtless words and behavior have been weighing heavy in my mind since our last encounter on [Date] at [Location].
I understand that my actions on that night made you uncomfortable, and I take full responsibility of that. I treasure our existing relationship and it was not my ulterior intention to start something of romantic nature by flirting with you.
It was a lapse of judgment on my part.
I assure you that the flirting was innocent in nature. I hope we can put this incident in the past and continue our usual relationship going forward.
Thanking You,
[Name].
Apology Letter After Fight
Letter To Your Brother Apologizing For Your Misbehavior
Apology Letter To Victim Of Theft
Apology Letter For Not Inviting Someone To Wedding
Apology Letter After Cheating
Apology for Missing Event
Apology Letter To Neighbor
Apology Letter To Your Lover
Sample Apology Letter For Sending Wrong Attachment
Apology Letter To Wife For Hurting Her