I wanted to change my field from web design 2 travel industry. I m looking4 any IATA short term course (3-4 months). But confused, ?

Hi, I hv completed my B.SC. (Phys). My age is 26Ys. Now I working as a Web Designer. But Now I think on hire level in web I unable to grow. So that I am thinking for alternative career. I wanted to know about IATA short term courses (3-4 months), by which I can get entry level job in that industry.