Our problem balloons as 11 flights are cancelled

Balloon Adventures has refused a full refund despite us waiting two years to go on a rideSimilar to a reader’s recent issue with Virgin Balloon Flights, I am having problems with another provider, Adventure Balloons. My partner bought vouchers for my birthday two years ago but we have had nothing but hassle, with 11 bookings cancelled due to weather. I asked for a refund last year but the firm is adamant we are only entitled to 40% of what we paid – 32% after the £80 it took to