I'm sorry for any trouble caused by the unforeseen circumstances. My apologies for any inconvenience this may have brought about. Please accept my deepest apologies for any disruption you may have experienced. Regrettably, we are unable to fulfill your request currently. Apologies for any disappointment this may cause. Sorry for any trouble you may have arisen. I apologize if there were any
confusion in communication. Kindly forgive me for any actions have caused any inconvenience. I get it that this must be frustrating. Sorry for any frustration this may have elicited. Please be assured that we are working to solve the issue
as quickly as possible. I sincerely apologize for any disruption you may have faced because of this circumstance.