Originally Posted by
Raffles
You will still be able to change the dates on existing bookings even if the mileage rates go up or 'cash and miles' gets ditched.
I think that your argument is flawed here. When LH ditched C+M in F, if you wanted to change your booking you had to pony up the extra miles for miles only. There's nothing stopping them applying the same logic to existing bookings next year.