麻烦帮我用英文翻译一段话，谢谢

I'm sorry my grandmother passed away suddenly,so I couldn't meet you at 18th, if you are in convenient, whether it can be postponed, if so infest your plan, I deeply sorry ,looking forward to you.

I'm so sorry to tell you that my grandmother left us.

So I have to cancel our scheduled meeting due to this. I'd like to re-schedule another time at your convenience. I do apologize for this unexpected event, my grandmother's death. Looking forward to hearing from you soon.

Kind regards,

unnamed

I'm so sorry that I'm not able to meet you at (最好加上月份）18th, because my grandmother has just passed away. If it's convenient for you, I hope you could postpone the meeting, I do apologize for this unexpected event.

Looking forward to hearing from you

I'm sorry that I cannot make it to see you on 18th as we scheduled, because my grandma just passed away. if it is convenient for you, we can put it off.