I have bad news to tell you. I've been assigned to work in the provinces over a period of 6 days, this will cause your line delayed. It will be finished within Monday February 2.
I have bad news to tell you. I have been assigned to the country for 6 days here will make your calls delayed. It will be finished by Monday, February 2nd.
I have bad news to tell you. I was assigned to work in the countryside for 6 days. This will make your calls will be delayed. It will be finished by Monday 2 February.