I deeply regret that I will be unable to keep our appointment scheduled at 9:00 - 11:00 on tomorrow, 22nd july 2016. Due to some urgent circumstances in my office, I have to conferenc call with Singapore and present in full team meeting, hence my inability to attend the aforementioned interview.
I will be able interview on 25th july 2016 , I will call your office to reschedule our interview. Probably we can interview on monday the next week. Once again, I apologise my inability to attend the inertview.
I look forward to meet you soon and collaborate with you.