Terrible Experience

My Colleague and i had been at the airport since 5 am on 07-04-2016 in the hopes of boarding flight (JE123) from OR Tam to CT Int. To our dismay we were unable to board the flight as there was no power for us to check -in .As we paienly waited and time passed we enquired about the departure time and we were told that the plane was out of service and that we would have to be patient. After some time we were told that we would need to board other flight on a first come first serve basis-meaning we would have to wait around the airport and hope for a flight. We asked for a manager but was told that the manager was unavailable. <br> The 5h55 flight was delayed 3 times and every time we received a different reason. <br> After what seemed to be an eternity we were moved to various boarding gates just to stand in the freezing cold with no communication as to why, by this time everyone was in a panic. <br> My colleague and i missed a very important meeting @9am and as a result we lost the potential business. <br> My concern is : How can a plane be out of service? Why are there no managers available and Where is the Customer service. <br> <br> Mango has lost all credibility. Poor form from this company. <br> <br>