The reason you have to say "Trust me" is that you haven't earned it and are forced to ask for it - BAD MOVE.
The key is not to call the decision maker. The key is to have the decision maker call you.
Create a story of WOW that will be retold.
You can't be a winner if you're a whiner...wiener.
In sales, it's not what you say; it's how they perceive what you say.
If you don't give trust to others, it's because you haven't earned it. If you don't have trust form others, it's because YOU haven't earned it.