Air Canada says flight attendants’ union requested cancellation of mediation  CTV NewsAir Canada flight attendants’ union asks to cancel mediation process, sending wage issue to arbitration  CBCAirline sector work probe expected to wrap by December, minister says  Global NewsJobs Minister Patty Hajdu expects unpaid airline work probe to wrap up in December  CityNews HalifaxGovernment of Canada update: Probe on unpaid work in the airline sector  The Globe and Mail