Beware when flying Lufthansa - they just cancel your ticket and you need to purchase a new one!

Lufthansa I was meant to fly out of Frankfurt on the 25th November. I phoned on 1 November 2021 and asked if I could move my flight to the 10th November. I spoke to a consultant, the consultant confirmed that the flight was confirmed and changed to the 10th of November and I received confirmation of this change. On the 10th November 2021 when I was trying to check in, it did not allow me to check in. I contacted Lufthansa Customer Service who weren’t able to assist me because they said that my ticket was cancelled on the first 01 November 2021 (However I was on the phone with a consultant on the 1st of November who stated the flight was confirmed). Throughout these days, I did not receive any emails stating that I was not flying on the 10th of November due to an apparent “cancellation by me” A consultant at Cape Town office advised that I should email Customer Service stating my concern and she also recommended that I book a new flight if I want to fly out on the 10th. She went on to mention that I should rebook and to email Customer relations the situation and they would get back to me on whether they would be crediting my account due to these changes. I went to Frankfurt airport earlier on the 10th November to get a new flight out which cost me double the price just to get home. I asked Lufthansa for all emails stating that this ticket was cancelled but no one could not provide me with these emails. The consultant I was speaking to on the 10th sent me an email (Whilst I was on the phone with him) on the day of my flight at 14:07 (10 November 2021) – The email states “Unfortunately we had to cancel your booking” with no reason. Before speaking to any consultant, I was notified that all calls were recorded. I would like Lufthansa to retrieve these recordings in order to verify that I did not cancel any flights, merely moved one from 25 November to 10 November and this was confirmed by the Consultant. I have been very patient with expecting a reply from Lufthansa after emailing customer service and they just don't get back to me or acknowledge my email. So much for Customer Service. I understand times are hard for everyone during COVID but it would have cost you nothing to have me on my original flight/ticket. It cost me double the price to get home. Be careful when flying Lufthansa. They just cancel your ticket and you need to purchase another one to get to your destination!