I got booked for the first time. Advice?

I've been doing open mics & taking it seriously for about 5 months. I'm pretty lucky in that I've formed a pretty good relationship with my local club by doing some regular photography for them at low cost. Last night, the host told me an upcoming feature cancelled so he asked if I wanted to open with 10mins.

I jumped on the opportunity obviously, but I'm nervous as shit. Starting in December, I've been having some pretty good sets I think. But there's still open mics I go to where I eat my ass for 4mins.

Imposter syndrome is having its way with me, because I know I wouldn't have been asked if I didn't have the relationship with the club / host that I do. Plus, I did my first mic there & ever since they've seen me improve week-by-week. So they're confident I won't be horrendous at least, I guess. But I don't know—I don't just want to avoid catastrophe, get paid & call it a day. I want to be good. I want to look back on my first paid spot & be proud of it.

So, getting my mind back on fucking topic—with 1 week to prepare, what's some advice y'all would give so I can make the most of this, on top of 'just be funny'?

Any tips on building a strong set list from random jokes you've worked over several months? If you're not used to killing all the time, where do you get the confidence you need to show up for an important set? Care to share the story of your 1st paid gig? Thanks in advance.

TL;DR - Been doing open mics for 5mos, just got booked for the 1st time. I'm struggling with some imposter syndrome & confidence issues, so what's your advice to make the most of this? With 1 week to prepare, how would you do so? Tips on building your 1st coherent set list (10mins)?

Update: Had my set a couple hours ago. Despite being insanely anxious, I powered through my messy opening bit & delivered a decent set! I also didn't close in quite the way I wanted to—my pacing was a bit off so I couldn't run my last joke.

But overall the feedback I got was positive. Super hyped I managed to keep it together, but there's plenty of room to tighten things up. This post helped so thanks all!