Because I have the readiness and willingness. The airline wants someone who has both physical and mental work plus ambition the best service to passengers.
I'm ready and willing. Airlines need people who are ready to work your whole body and mind, combined with a willingness to provide the best service to passengers.
Because I have the availability and intention. The airline to the people who are ready to work with both the body and the mind's true intentions that provide best services to passengers.