Air Canada said this was what is called a "codeshare flight," a very common practice where one carrier, in this case Lufthansa, sells tickets under its name but the flight is actually operated by a partner airline, in this case Air Canada. Vacation booked months in advanceIt was late December when Sinanan went to the Flight Centre office and booked the tour. Young then called the same Flight Centre location two weeks later and booked the exact same trip. We are investigating the technical cause," Air Canada told CBC Toronto Wednesday in an email. Air Canada usually has "a really good customer service counter," she added.

Source: CBC News April 13, 2017 09:01 UTC