Dear (numele),
Yesterday i went to the cinema and i saw a great film! İ was impressed with its story: space. The main characters dug deep in the archives to find the well hidden secrets of aliens. İsn't it an amazing subject? So, i invite you to come to the Central Cinema (numele cinema-ului, poti sa-i dai ce nume vrei), monday at four o'clock in the afternoon. Meet me at the gate, i'll be waiting for you!
From your dear friend (numele celui care trimite scrisoarea)
