I'm
sorry for the inconvenience caused by the unforeseen circumstances. Sorry for the disruption this may have caused. Kindly accept my deepest apologies for any disruption you might have encountered. Unfortunately, we can't to fulfill your request at this time. Sorry for any letdown this may cause. Apologies for any inconvenience you may have arisen.
I'm sorry if there were any confusion in communication. Kindly forgive me for any actions have brought about disruption. 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 solve the matter as quickly as possible. I'm truly sorry for any disruption you may have faced because of this circumstance.