Definitely, if an air passenger has a travel complaint, for sure he is going to find a way for him to solve the problem. Probably, he will report the incident to the management or write a complaint letter to the airline or sue the airline maybe. Yet, the main solution here is for you to write an effectual airline complaint letter.
Planning thoroughly your airline complaint letter is, without a doubt, very important. You should plan well your letter for it will provide the reader the intuition that you are well-prepared to get the right solution for your travel complaints.