Originally Posted by KARFA

Unfortunately the cooling off period doesn’t apply if booking within 24 hours of the flight. So unless the fare you booked was refundable you wouldn’t have been entitled to a refund.

In fact had vouchers (FTV) not existed the most you could have got back if non refundable was a small amount of taxes and fees. The voucher at least allows you to preserve the value and use it towards a new booking for travel up to end September 2023.

EDIT: my apologies, just noticed this is your first post so a warm welcome to FT, sorry it’s not a nice issue that has brought you here.