Air Canada says it will start cancelling flights on Thursday after the union representing its flight attendants gave a 72-hour strike notice Robin Bénard is planning to fly to Australia next week ahead of her wedding, scheduled for next month, and says the looming strike threatens her plans. Read more: http://www.cbc.ca/news »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/