"I wish to get a job in an airport as a passenger service agent it is very difficult. I have been
on several interviews but have not secured a job what am I doing wrong?"
It is good to re-examine interview performance and ask yourself two questions
1) Why did I do right?
2) What could I do better?
It is a good sign that you are getting interviews and good staff are still hard to come by. Have a read at your CVs & Interviews report on www.peoplemaps.com as it will give you specific Interview tips that may just get you through the next one.