Best way of complaining to BA.
I booked a ticket with BA in Denmark. Unfortunately they decided to charge my credit card 7000 GBP instead of 7000 DKK, the exchange rate is around 8 to 1. This of course destroyed my current account and I am looking at some fairly hefty interest charges, I am just lucky that the bank has not stopped my cards.
I would like any advice on how to word the letter to customer services to get the interest repaid. Should i suggest that upgrading my outbound flight would make me a bit less annoyed, or let them guess? Who is it best to write too? Is there a legal angle, breach of contract etc?
It is a real shame as I like flying with BA.