Huh? Mine worked. Did you chat with them?
This is the relpy from the chat I had!
I reviewed the terms of this promotion and unfortunately, it is not eligible to be redeemed on the trip in question.
Please be informed that these promotions are valid only from February 5 to February 6, that is the reason it wasn't applied on your recent trip.
I'm afraid I'm not able to retroactively apply this promotion to this trip.
I hope this helps and have a great day ahead!