Being an (not and) air
(difficult assignments and stress).
Instead of working hours change it to the "Irregular work schedule varies month to month)
It is not an office job (sedetary in nature) but requires much physical endurance and stamina. Being on call to substitute for an ill collegue means rarely a day off.
Fussy passenger change to (difficult passengers). Difficult passengers require more attention and special handling.
Flight attendants do NOT get a break while plane is in flight so drop that sentence. Replace it with
The flight crew never has a down moment since tending to all passengers and fulfilling the Company requirements demands their every moment.
Flight attendants are NOT highly paid but actually start out at minimum wage.
The benefits of the job are the travel, opportunity for new experiences, meeting people from all over the world, pension and health benefits.