Need help!

Air Canada also simply and efficiently offers the connection of flights in Canada. For example, if people fly from Toronto to Vancouver, they would arrive at Calgary for their connection. Furthermore, they do not need to collect their baggage and do not need to go to customs. Instead, they can wait at the boarding gate because it is essential to give them adequate time between the arrival of their first flight and their next departure.

Explain clearly the connectivity of flights in Canada(domestic)