Dear Sir or Madam!
I have called on 25.09.2016 at 14:42 CET, because of the change of my arrival appointment for room number 501 and 502, with you. I asked fort he shift from 01.02.2016 to 31.012016, which was granted to me. I would now like to ask for a written conformation by e-mail, which you can send it to me at the following e-mail adress: gufi1@aon.at
Yours faithfully
Gufler Werner