谁能帮我翻几句话

I am deeply sorry that I will not come on the 19th. I have to go on something extremely important. I will treat you next time if there is an opportunity. Please excuse me!

I'm so sorry I have some very important things have to do and I can't to have dinner with you, I will stand treat you next time, please forgive me! I am so sorry!

I am very sorry that I will be occupied on the 19th so that I can`t go .Let me invite you to a dinner if permited the next time.I am sorry.

I am so sorry that I cannot be available on the 19th for some important issues,I will treat you next time if I can be so honored to have another opptunitity,I am really quite sorry for this time.

I was awfully sorry to tell you that I will not come here on the 19th,for I have something important to do.I'll treat you to diner if we get the opportunity.What I did was embarrassing.