Just to add, immersed yourself with english. Starting from your cellphone, reading articles, watch movies, youtube videos, music in english.
Another tip is to use apps like duolingo and anki to help enriches your vocabs :)
First of all correct your sentence:" Hi, I'm looking for someone who I can practice English with".
Second, start from grammar and learn English grammar well,
Third, work on your vocabulary,
Eventually, just be patient>>>>>>>Everything is gonna be okay<<<<<<<<<