Traveling in the States for the First Time?

When i came to the states, like the very first time, since it was my first time travelling and i was 13, we actually asked for thi patrol service. It's almost like a guide, like some one will guide you how to go through lik imigration service and how to get your luggage. They pick you u from your parents until i meet my host's parents. And i think after that, i knew how to do it, so it wasn't a problem after that do that. Els i wo i've like, never done this before. And it's more intense because you had to travel internationally. So it's like even more complications actually, every time that i