Olivia, a character from the TV series Grey's Anatomy, is not dating anyone in season 13. She is focused on her career as a cardiothoracic surgeon and her relationship with Amelia Shepherd.
Olivia is a fictional character, and her romantic life is a storyline within the show. While she may have had romantic interests in previous seasons, there is no mention of her dating anyone specifically in season 13.
The show's writers and producers have chosen to focus on Olivia's professional and personal growth, including her relationship with Amelia, rather than introducing a new romantic interest.