"I'm planning a road trip with some friends and am looking for the absolute best spots to visit! I need your help with that one! We are looking at having great fun for a few days - If more people are into, we might even hire a small van. I know it sounds like fun, doesn't it?
Can you tell me what's your favorite location in southern California? Did you ever take a romantic trip somewhere? Where would you go?"
More possible follow up....
"You look like a smart girl who has answers for ABSOLUTELY everything right? I see on your profile that you are well educated and studied tourism! Well?"
The ideal message is only two three lines.
Don't stretch it!
Ask for an open ended opinion