Originally Posted by
KQ321
However, it is quite likely that there is still space in the economy cabin - eg: Y9 B9 M9. So, if I ask KLM to downgrade my booking into, say, M, what will they say:
a) That is not possible?
b) That is possible, but we will not refund the fare difference?
c) That is possible, and we will refund the fare difference?