Polite & Professional:
"Could you please advise on the best course of action?"
"I would appreciate your expert guidance on what steps to take next."

Casual & Respectful:
"Hey, could you let me know what I should do?"
"Would love to hear your expert advice—what do you suggest?"

Direct & Confident:
"Looking for your expert input—what should my next move be?"
"Please let me know the recommended steps."
$OMUSTD

Want it more formal, urgent, or friendly?