I sent the complaint to Air Canada on AUg 15, and got 1st reply on Aug 25 --guess what they offered me for all the inconvenience and trouble?
This is what they offered me!!!

It is an insult!!!
As tangible evidence of our concern, we are pleased to offer you a one time saving of 15% off of the base fare on your next booking at aircanada.com. Redemption instructions follow this email
By the way, if this complaint reaches Air Canada, your reference number is ABDA-CN3OE8.