David cadena, 25 years old. Looking for accommodation in Madrid.

Hey there. I'm David, 25 years old, from Mexico. I'm gonna study the MBA in. I have been looking in different platforms but I haven't had any luck. Please if you have an available room do not hesitate to contact me I will appreciate to be your flatmate. I will be in madrid from octuber 2017 to january 2019. I have experience living with international people, so I have  the student attitude as long as respecting you. I would like to still meeting people from other countries having more experiences by traveling around Europe and hanging out in Madrid. I am clean person and not a conflicted person, I just wanna enjoy my stay by meeting you guys and having fun. 

PS: Preferably closer to the center of madrid. My limit budget is 450 euros, bills included.