Happened in the Seventies:
Lufthansa XXX contacts Zürich Radar.
Pilot: Zurich Radar, LH XXX, good morning, FL290, estimating Trasadingen at 45.
Controller: Good morning LH XXX, proceed via Amber 9, maintain FL 290 and report Trasadingen.
Pilot: Roger LH XXX, maintaining 290 and call you Trasadingen.
Controller: Negative, call me Leo and report Trasadingen.
Not my story (taken from eddh.de), but one of the best I read so far.