You can always flirt with her while your buying food thats just easier because you dont have to approach her you just have to go up order and talk to her try to get her to laugh you know all you have to do is smile at her and talk. I would tease her about something in her job like adding money to your order and fake or pretend you didnt order something and say shes trying to screw up your order ( keep it between you two because you dont want the resturant to hear you guys) and just make fun of her This is probably easy I know you dont want it to sound like your disturbing her but give it a shot its like shes opening you up with her magic words " Can I take your Order" well I guess you know what you want now!
CHAT