21 years old girl is missing on the French side

A young girl, 21 years old, is missing on the french side. She stays at The Flamboyant, Baie Nettlé, with her parents. Saturday around 9.30 am, she went to run from Baie Nettle to Terres Basses, as she used to do. But she did not get back. Worried, her parents called the gendarmes.
She should fly back to Belgium, where she comes from, with her parents this afternoon.
The gendarmes ask all the person how could have some information to call them on 17 or +590 590 52 30 00.
Wendy is a beautiful blonde hair girl with brown eyes. She has two tattoos, one on the right foot, the second on the left arm.