For example, if you are involuntarily bumped from your flight due to overbooking, you are typically eligible for some kind of compensation from the airline. If the airline makes an offer that is acceptable, take it. If not, make a counter offer. If you and the airline can't come to an agreement on the counter offer, then everyone is happy. If can't be resolved on the spot, you should start document your experience, gather relevant information from the airline, and prepare to file a formal complaint with the airline. If your complaint involves a US airline or involves an airline flight to or from the US, you can also use the AirSafe.com Online Complaint Form and AirSafe.com will forward your complaint to the US Department of Transportation.