int time = 20; // Constant time for transference 20:00
        protected FlyingCenterSystem()
        {
            DL = new SqlDAO(FlightCenterConfig.strConn);

            new Task(() =>
            {
                bool flag = true;
                while (true)
                {
                    if (DateTime.Now.Hour < time) // Checks every 10 minutes if the time for transference has passed or not
                    {
                        flag = true;
                    }
                    else
                    {
                        if (flag)
                        {
                            DL.MoveTicketsExpired3HoursAgo();
                            DL.MoveFlightsExpired3HoursAgo();
                        }
                        flag = false;
                    }
                    Thread.Sleep(600000); //10 minutes interval
                }
            });
        }