I say, this gentleman can’t read English. I’m boycotting his requests. There, said it!
(How annoying!!! It feels like it’s a one-way only communication. Anyway, I have better things to do.)

If this is really the sample that you want ID’d then this is Avant Garde Gothic.

Miguel, I understand your impatience, but I think ’contohabc’ has been trying, politely, to get our help, in spite of a language barrier.

- Mike Yanega