Assuming no one minds, try to drop your booking through your one of a kind spot to checkout as every accessory has an uncommon booking system that we can't access, and they are more ready to help you. 

If you booked directly through Air Canada, you may drop your setting up for the web by visiting My Bookings and clinging to the rules. 

You Might Drop Your Booking on the Web if: 

You at first saved your excursion on aircanada or through the Air Canada flexible application 

You are dropping an Aeroplan flight reward booking 

You are dropping your entire saving 

You are dropping your excursion no under two hours before departure 

Halfway scratch-off: 

If you need to drop something like one pieces of your plan, assuming no one really cares either way, contact Air Canada Reservations. 

24 hours refundability: 

If you drop your booking inside 24 hours of acquirement, we will limit the value of your ticket or simply drop the portion trade. 

For repeals outside of 24 hours, refundability will depend upon the affirmation type you purchased. 

Visit: Air Canada Cancellation Policy