I apologize for the inconvenience caused by the unforeseen circumstances. Sorry 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 disappointment this may cause. Sorry for any trouble you may have arisen. I'm sorry if there were any misunderstanding in communication. Kindly 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 doing our best to resolve the matter as promptly as possible. I'm truly sorry for any inconvenience you might have faced due to this circumstance.