Saying Salaam to a known person means marriage will be proposed to such a person for oneself, one’s son or another party.
If the other person responds to the Salaam, it means the proposal will be accepted. Otherwise, not. But if he is not known to him it means that he any get married in a foreign land.
Seeing the prophets of Allah is the same as seeing the angels of Allah Ta’ala suggesting freshness, plentiful rains, reduction of prices of things etc. There is only one exception : the observer will not attain shahaadah by seeing the ambiyaa (As) as is in the case of seeing the angels of Allah.... the ambiyaa (alayhimus salaam) dream meaning