This is a public forum that anyone in the whole world can read. Not a special channel to contact service-centre. DO take away that @mail-unless you like to have a few million spam etc in that box in the future.
As a very general rule people should hold insurance for such things that can happen in life. To cancel a ticket normal conditions will generally apply.
If you bought a promotional pass they are not refundable. The email with your booking will give you the conditions. As the above post says - this is where you claim on your insurance!