FlyerTalk Evangelist
Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: BA Silver, TK E+, AA PP, Hyatt Globalist, Marriott LT Plat, Hilton Diamond
Posts: 13,070
Were you actually using both accounts? i.e. to double up on the promotions?
If so, cancellation is to be expected sooner or later. If not, surely you have a case if a duplicate account was set up by a credit card company...