I apologize for the inconvenience caused by the unforeseen circumstances. My apologies for the disruption this may have brought about. Kindly accept my deepest apologies for any inconvenience you might have encountered. Unfortunately, we
can't to fulfill your request at this time. Sorry for any letdown this may bring. Sorry for any trouble that may have arisen. I'm sorry if there were any confusion in communication. Please pardon me if my actions have brought about any inconvenience.
I get it that this may be frustrating. Sorry for any frustration you might have elicited. Please be assured that we are working to solve the matter as quickly as possible. I sincerely apologize for any disruption you might have faced because of this situation.