Bengaluru, May 25(ANI): Passengers at Bengaluru airport were disappointed by the cancelation on 1st day of resumption of domestic flights. Passengers Air India Bengaluru-Hyderabad flight complained claiming that no prior notice of cancellation was given to them."Only when our boarding passes were scanned at the airport entry we were told that boarding has been cancelled. We don't know what to do now," said a passenger. Senior citizens at Mumbai airport also faced issues due cancellation of Delhi-bound flight.