Asslam O Alaikum Aansa!!
I appreciated your effort and nice to hear about Istikhara Dua. The curiosity
to know about istikhara may lead to prosper
of life.
Istikhara Dua is a supplication to Allah swt approaching what is best and suitable for us. Istikhara petition to God profits us in settling on the right decision. Muslims perform Salatul Istikhara Dua to Allah swt for direction.