“Can I help you?” Ask this in a shop. Playfully pretend to be an employee.
“Hmm, are you friendly?” Say it with a suspicious and playful look. Most women will not say no. “Good, I’ll talk to you.” If she does say no, you can overlook it, use it as banter material, or take it as a warning sign to leave the grump alone. This opener is more suited to entertainment venues.