you can always click on the "Relationships" button (in the top right corner), then select the person you want, and then click on a few event cards. a description of the actions will appear below
I think you misunderstood the problem completely. The problem is not that I don't how to trigger events. The problem is that I don't know how to raise her affection to trigger her nee event. She is only found in the shop and every time I talk to her I just get a message on having to wait until the next patch and at night the shop is closed.