Need advice on job application for bird supplies shop

So I want to call this shop that I usually go to for supplies for my birds and ask them if they are hiring but I’m really scared to, not so much anxious about them saying no but them saying yes. What if I freak out and don’t show up for an interview or what if they actually hire me and then I end up having panic attacks in the store, I really want a job but I’m jus so nervous about it, the one thing that actually makes me feel better about it is that I’m familiar with the store. Anyway do y’all have any tips? Or could maybe hype me up😂