WestJet Airlines review: Refund for cancelled flights

We received an email on monday sept 14 from westjet that our flights to costa rica on october 28 have been cancelled. We called westjet with concerns but they cannot issue us a refund as we are not eligible/privilege clients, but only offer us a credit on account. We do not have the flexibility to travel at a different date as we are attending the party table of a wedding. We require a full refund so that we can book flights to attend the wedding as planned using a different airline. The westjet representative kept saying that she "understands" our situation but cannot give us a refund as they have to be careful with funding to issue refunds (we are not privilege as we are not premium members - or high class travelers). She refuse to transfer us to a manager under instruction that calls cannot be transferred. She suggested to write a complain, which we are doing now...