I'm sorry for any trouble 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. Unfortunately, we can't to meet your requirements currently. Apologies for any disappointment this may cause. Apologies for any inconvenience you may have encountered. I apologize if there were any confusion in communication. Please forgive me if my actions have caused any inconvenience. I get it that this may be annoying. Sorry for any frustration you might have
caused. Please be assured that we are doing our best to resolve the issue as promptly as possible. I sincerely apologize for any disruption you might have faced because of this situation.