about sentence

[kishorb]

I think You all know that I am very weak in English. So please help me to choose the best word in this highlight sentence.



Still we are in process to give connection to user "something" as soon as possible. But some (unwanted problem) we are not able to give him our service till today. So please extend the a/c for more few days

[shalstudent]

((Not a teacher))

We are still in the process of giving the connection to Mr./Ms. "someone" (the user) and it would be done as soon as possible. But due to some unwarranted situation/ a complication/ an issue(use any one), we are unable to give him the connection even today. Request you to please extend the a/c for more few days.