Dreaming of girl you want to marry

Asalam Alaykum Mufti Hossen,

I had plan to marry a Muslima the hallal way. before proposing to her family i saw the dream below :

i dreamt that the muslima came to me with an open letter. She handed me the letter. started with Bismillah

Rahmani Raheem and ended with
Please let me know the meaning.

JazakaAllah