Amex Prepaid Card Complaint

Amex Prepaid card department,

General purpose card Managing, opening, or closing account Massachusetts

Purchased, funded and registered American Express Serve ( prepaid ) debit card on -/-/2015. Received permanent card with my name embossed on or about -/-/2015. Attempted to transfer balance electronically and was unable to do so. Spent - minutes on phone with customer service rep.Was told could not locate temporary card number by name. Called back the following day after locating temp card and was told they could not transfer balance to permanent card because I already had a card.After spending - minutes over two days on the phone, requested account be closed and balance refunded. Told have a check in 7 days. Sent demand letter on -/-/2015. Received letter ( no check ) on -/-/2015 dated -/-/2015 giving me ten days to respond with requested dox or my case would be closed Responded to request via US Postal Service on -/-/2015