Recommend an airline

Hello everyone, I want to fly away on vacation. Now I’m choosing which airline is best to use, there are a lot of them and there are a lot of ambiguous opinions. Tell us which one you flew and which company is best to use.

I booked an expensive flight in Europe as I had no other option - I needed to cancel the first part of the flight due to a change in plans.

After extortionate costs trying to cancel - including the cancellation fee and charges to call the call centre. It is now 2 months later and Wizz air have *still* not provided the refund that I am due.

Their policies and processes are not fit for purpose and having had lots of experience with travelling - wizz air is the worst airline I have flown with (even worse than easyjet and ryanair).