On the morning of Saturday June 9th, shortly after the end of the show, Voula Dimopoulou, 21, contacted a close friend and asked her to transfer her father that she is to and not to worry. She also said she would soon communicate with him herself.
Police investigations showed that at noon the day before, the girl traveled with friends for Konstantinopoulos.
Voula was lost when she left the house where she stayed with her mother on the morning of Wednesday 6 June.
The Silver Alert has been issued after order of Greek Police.