Hi Saad,
Yes, we do represent American Express and we try to join the conversations we can help with. If your issue has not been resolved you can either contact us via Private Message on FlyerTalk or via Secure Message at:
www.americanexpress.com/messagecenter
Please be sure to address it- Social Media, Rachel and I will be more than happy to help.
Do not hesitate to contact me directly if you have any questions in the future.
Rachel
Amex Customer Care