Air Canada warns it will cancel 500 flights by Friday, as looming strike set to cause chaos for travelers
1. Air Canada expects to cancel 500 flights affecting 100,000 passengers. 2. Flight attendants' strike could disrupt tourism during peak travel season. 3. Negotiations between Air Canada and union show lack of progress. 4. Passengers express concerns about cancellations and support for flight attendants. 5. Government urged to intervene as disruptions could escalate.