A little help

Can someone can help me? I have that had a conversation with my aunt that live who lives in the USA. She speaks English and I speak Portuguese but this conversation it is was for her to know if I study have learned English efficient enough for a travel exchange in the United States. but I have never make course of the English taken an English course but I have learned a few some vocabulary and grammar by studying in the internet apps, movies and other things. I know that I can am writing wrong I know but I'm an intermediate speaker. intermediate I need to deepen my language skills and this it is a test for me. Is it all or nothing? Can someone can help me say something find sites and or lessons for me to try to learn more fluent English? I stay waiting something will wait for people  's of with good hearts good to help me the with speaking and listening. I have very difficulty in listening the to people  's speaking English fast so I ever always say, you can you speak slowly, please? But I no don't always want to speak, it I just want natural listening natural and to be able to answer the people! 's! Thanks for reading.

I think I understand your meaning. Keep practicing with native speakers who speak clearly and you will get better. You can do it!