RE: This time better service at my Austrian Airlines (Lufthansa) flight to Varna. Was able to get a Schnitzel although pre-ordering did not work.

Unfortunately, there is always a technical error. I hope the schnitzel tasted good. I personally try to avoid air travel. At the moment I have much more important things to do than go on vacation anyway. But I don't begrudge anyone a vacation! Have fun in Bulgaria!