Here is proof that I hadn't yet asked for a refund. Below is my rejection letter...
Dear Mr Stimpy
I am very sorry for the delay in replying to your email.
I am concerned that you had additional expenses due to the disruption of your daughter's flights with us. I can understand how frustrating it must have been for both of you. I know this is not what you had expected when you booked with us. Please accept my sincere apologies for the inconvenience caused.
While I appreciate your reasons for asking, I'm afraid I cannot reimburse the amount you had paid to book her alternative flight. Please contact our refunds team for the refund of her unused British Airways ticket. Their address is:
British Airways
Refunds Department (R46/HDA1)
PO Box 365
Harmondsworth
Middlesex
UB7 0GB