let,s go to try; exchange lenguage

My name is Asier and I am 37 years old. I work as a teacher in a NGO, and I¨m from Madrid. I need to do lenguage exchange, because In the short term, I want get B2 certificate early, at least. If you want, we can exchange our lenguage skills, taking a coffe or a beer. 
Last year, was my first experience exchanging lenguage with an english guy, and it was awesome experience!
I am availabe workdays, in the afternoon, except fridays. Once per week I will go to learn english, but untill I don´t now when. 
I live in Avenida America, but I can move myself.