Here are a few Calgary area churches that do have some wedding information on their websites:
Protestant Tradition:
http://stgiles.ca/weddings-at-st-giles-2/
http://stpaulsbanff.ca/wedding/
http://www.northminster.ca/weddings/
http://wildroseunited.ca/room-rentals-and-bookings.html
http://www.knoxunited.ab.ca/what-we-do/weddings/
https://www.hillhurstunited.com/weddings
http://www.sduc.ca/pages/facility-rentals
http://parkdaleunitedcalgary.net/facilities/
http://www.ststephenscalgary.org/space-rentals
https://www.stbarnabas.ca/life-events
http://foothillsunitedchurch.org/weddings.htm
http://www.anglicancathedralcalgary.ca/weddings
Catholic Tradition:
https://www.cfs-ab.org/marriage-preparation-program/
http://www.sacredheartcalgary.ca/sacramental-life/marriage/marriage-matters/
http://www.saintmichael.ca/main/index.php?page_id=37
Public Marriage Preparation Resource:
https://calgarycounselling.com/marriage-prep-blog/
Many churches and traditions do not post their wedding, marriage, facility or venue information on the web, you may wish to call or visit those venues for information.