If you are confident it is a species then the two candidates are Phalaenopsis amabilis and Phalaenopsis aphrodite, to me it looks closer to Phal amabilis than Phal aphrodite and I believe Phal amabilis is also generally more common in cultivation.
How large are the flowers?? That will help greatly. Measure once the flower is fully expanded.
Edit : Check out this cool image that shows the size difference between the two species