I'm sorry for the inconvenience caused by the unexpected circumstances. Sorry for the inconvenience this may have brought about. Please accept my sincere apologies for any inconvenience you might have encountered. Regrettably, we are unable to fulfill your request currently. Sorry for any letdown this may bring. Sorry for any inconvenience you may have arisen. I apologize if there was any confusion in communication. Please forgive me if my actions have caused any inconvenience. I get it that this must be annoying. Apologies for any inconvenience you might have caused. Please be assured that we are working to resolve the matter as quickly as possible. I sincerely apologize for any disruption you may have faced due to this situation.