【More・・・】
I'm sorry for any trouble caused by the unexpected circumstances. My apologies for any inconvenience this may have brought about. Kindly accept my sincere apologies for any disruption you might have encountered. Unfortunately, we can't to meet your requirements currently. Sorry for any letdown this may bring. Sorry for any trouble that may have encountered. I'm sorry if
there were any confusion in communication. Please pardon
me for any actions have brought about any inconvenience. I get it that this may be frustrating. Apologies for any inconvenience this may have elicited. Rest assured that we are working to
solve the issue as promptly as possible. I'm truly sorry for any disruption you might have faced because of this situation.