Student took off solo from RDU to their practice area. After an hour or so practicing stalls, steep turns, and the like, he picked up the most recent ATIS and headed back to RDU, unaware that his ID placard fell off sometime during his maneuvering.
Student: Approach, Cessna... <pause> Approach, Cessna... <pause> Approach... this is Mike... with Sierra for full stop.
Approach: Hi, Mike... this is Sam... straight in for 23L, altimeter 30.12... and once you're safely on the ground, why don't you plan on giving ol' Frank a call.