They just keep asking for the same things I already sent them. I sent them a list of screen shots with codes and amounts months ago. They have told me in one email something was missing in another it is not. I told them this in my last email again and this is their response.
Regarding your request about the order GB11949694, we would like to inform that we have checked the list of all items returned using the tracking number 1Z7W89989118973224, and according to our systems, the amount corresponding to all these thirteen items is just £738.65.

It is worth mentioning, that one of the items included in your return was the product 8059380491979, meaning the light brown POLAX trousers in size 16Y that were supposed to be missing on your order.

The best way to proceed in this case is to receive a list of the product you kept, and then compare them to the items that were received by our staff, so we can verify whether one of these items is actually missing.