If your dream concerned a social function at an embassy, it is a straightforward forecast of a coming opportunity to mix socially with influential people.
If your dream concerned the official or business aspect of an embassy, it is telling you that achievement without effort is not possible for you; you’ll have to go after what you want, it won’t come and sit in your lap.
[1]1. One will face someone in authority soon.
2. One wants to go on a trip abroad.
[2]