how do i induce my period?

okay this is not a drill

I have a trip in 3 days. I need to get my period today(already 2 days late) or my trip will be ruined. Please suggest me something that will ABSOLUTELY get my period today. I’m already having symptoms(swelling, bloating etc) so its just around the corner but not happening. I don’t wanna take pills so please ladies let me in on your secret🙏