Need voiceover on American male voice.....2

Hi, we have an online course project, need an American male voice, native speaking.
we have around 3K-6k words need voice. .
we need very nature style , not for advertising style, not for broadcasting style, what we need is just like when you are talking someone, or just like someone is taking tutorial in the Youtube.
if you interested, please contact me.
and offer. urgent project.
Thanks