Business Lady was informed by Doctor that she is sick and will die soon.
She left her work and went to Island, where she met Nice Man. She fell to love.
Suddenly Doctor told her that her sickness was mistake. She returned back to office. Man was searching her and they met in woman’s office.
Last Holiday (2006)?
https://www.imdb.com/title/tt0408985/
This is the plot of “Last Holiday” with Queen Latifa.
The discovery that she has a terminal illness prompts introverted saleswoman Georgia Byrd (Queen Latifah) to reflect on what she realizes has been an overly cautious life. So Georgia withdraws her life savings and jets off to Europe where she lives like a millionaire. Upbeat and passionate, Georgia charms everybody she meets, including renowned Chef Didier (Gérard Depardieu). The only one missing from her new life is her longtime crush Sean Matthews (LL Cool J).
https://www.imdb.com/title/tt0408985/