Yes Alex, I have e-mailed them yesterday.
Hopefully they will get back to me soon with good news.

I called and they all said that I had to wait for a confirmation by e-mail only for refund matters. Hopefully the refund will be credited soon without any penalty as I have filled the form in less than 48 hours after the online reservation.
I will cross my fingers but the wait is long as it is still uncertain.
Thank you for your reply.