Morgana told Ethan everything that happened that night except for the part where she ordered the system to collect the body and repair the window after killing the man
What she told him is that she heard a sound of footsteps outside the bedroom, when she walked out to take a look, she saw that it was a man wearing a black suit holding a silencer gun in his hand
She managed to subdue the man and the man admitted that he was an assassin and have an order to kill Ethan, she was about to call the hotel's security, but she heard a sound coming from the bedroom
As she was anxious thinking that the assassin has an accomplished and was trying to get inside the bedroom through the window, the assassin managed to break free from her grip and escape. Although the man is heavily injured, she didn't bother to chase after him as she rushed inside the bedroom to check on him"