when a reservation is paid by credit or debit card , it will be processed by enett international usa , llc -lrb- for credit or debit cards issued in the united states excluding american express -rrb- or enett international -lrb- uk -rrb- limited -lrb- trading as `` hotel booking services '' -rrb- -lrb- for all other cards and all american express cards -rrb- , which act as an independent third party and the merchant of record .