I'm sure people using this one weird trick are smart enough to book same day or night before. I doubt everyone is checking the app several times a day.
That would be my main concern. Or some strange requests/remarks added to your profile by the CSM that you remain unaware of.
In an absolute worst case the maximum sentence is 12months. I think some AFFers might be willing to risk it for their first trip to the CL
Of course with massive datasets like this one it's quite likely you can find many accounts matching your first and last name. Simply pick the best one if you want to keep name the same and avoid committing an offense.