it's no use improving your english by chatting with others,and soon you will be bored of it.Just read the articles in your book,and listen to some english dialogues,which can really improve your english skill.Also,remember to look up the words which you can't recognize in the dictionary,or you won't gain the real improvement forever.
I meant you could always just use a VPN and go on something like Reddit or Discord, and then you would be able to talk to fluent speakers, or talk in a community that you are interested in.