Some airlines and private providers run 2-day cabin crew courses, which may help your chances of getting a job.
Some airlines also have online career quizzes you can do to test whether working as air cabin crew is for you, before you apply.
Being able to speak a second language gives you an advantage when making applications. You'll also need to demonstrate that you have great customer service skills, so experience of working directly with the public is useful.
You'll find details about working as air cabin crew from Careers That Move.