Hello Alex,

English is essentiual for a lot of travel so you won't regret learning English. Here are a few corrections to your text. From reading your text, my advice is to revise prepositions and English verb infinitives.

Hello

My name is Alex. I am from the city of Moscow in Russia, Moscow city. It This is my first time in here. Now, I want to learn English for future travels. Here I want to find a good teacher or fluent speaker for to practice English. And also I would also like to exchange messages with people, who want to learn the Russian language and speak in English. Thank you.

Hello

My name is Alex. I am from Moscow city, Russia. It is my first time in here. I am learning English for future travels. I want find a good teacher or speaker to practice English. Also, I would like to exchange massages messages (massages come later) with  people who want learn the Russian language and speak on English. Thank you.