Disgusting service

Completely ridiculous! My partner and I were catching a flight from Amsterdam to Lisbon to Madeira and while we were waiting for our flight to lisbon, it was announced there was an issue with the plane so there was a further delay and we had to move gates and get a new boarding pass. This resulted in us missing our next flight to Madeira and making us rebook another pet friendly flight resulting in us paying a crazy amount. We have been back and forth with KLM and no one is willing to even hear from us! When we go through the proper procedures and log a ticket their reasoning for cancelling the request was the change was made 14 days prior, when we have physical boarding passes and an email on the day stating the truth!