[Frozenlock]

Of course things were unprofessional, it happened on the weekend on Snapchat. What did you expect?

"Subject: possible sexual intercourse --- Good morning Miss, We met earlier today at Acme corp. I wanted to bring to your attention my desire to meet you in the goal to have intercourse. Please answer before 5pm. You can reach me on my cellphone.

Regards, Mr. X"

The more I think about it, the more I realize that the boss has no responsibility. He might want to intervene if the relationship is influencing their work performance, but that's all.