Rainadash

It would be great if there is someone who can help me. You can find someone?

I am new to the game and the concept of RP. No matter how hard I try to roleplay, I end up having nothing to say and walking away. I have role played before in other games, but it was not as complex as this game. I already have a personality for my character, but getting into a RP setting, I feel like i'll say something that contradicts the story of the game or i'll seem too casual. Same with describing how I say things, I don't know a lot of words to use like some people do. Basically, I don't know where to start as a new roleplayer that is overwhelmed.