I dreamed of losing my suitcase while traveling, and met an old friend while searching for the suitcase.

Means:

What you are looking for and what you want to buy is likely to be found through mutual introductions. There are all kinds of news flying around, that is, there will be people who are eager to provide you with good places. Moreover, it seems that you can expect help from family members and close friends of the opposite sex recently, and the information provided by them may actually come in handy.