Write either a letter or a telex for the following situations.
I regret that i shall be unable to keep our appoinment on Monday at 14.30 p.m, i tried to get hold of you on the telephone but i have prior appoinment in Paris . Would it be possible another time? I woud like to extend 2 appoinment time which could be possible for you. Would 15.00 p.m next Wednesday or 16.00 p.m next Wednesday be convenient for you?