Was your flight to/from the EU was cancelled, delayed or disrupted?
You may be eligible for up to €600 compensation under European Regulation 261/204

What is EC 261/2004 regulation?

EC 261/2004 is a European regulation that protects air passengers who have suffered a flight delay, cancellation or been denied boarding in case of overbooked flight. If eligible, airline will pay you upto €600 in compensation.