I'm sorry for
any trouble caused by the unexpected circumstances. Sorry for any disruption this may have caused. Kindly accept my sincere apologies
for any disruption you may have experienced. Regrettably, we are unable to fulfill your request at this time. Sorry for any disappointment this may cause. Apologies for any inconvenience that may have arisen. I apologize if there was any misunderstanding in communication. Kindly pardon me if my actions have brought about any inconvenience. I understand that this may be frustrating. Sorry for any frustration this may have elicited. Please be assured that we are doing our best to resolve the issue as promptly as possible. I'm truly sorry for any inconvenience you may have faced because of this circumstance.
