Plan an event step by step without missing the boring critical path

Plan this event step by step.

Event: [details]
Date target: [details]
Venue status: [none / options / booked]
Rough guests: [n]
Budget feel: [rough]
Team: [who's helping]

Ask me up to 3 short questions first if anything important is missing. Wait for my answers.

Then:
1. A critical-path timeline.
2. Roles.
3. Budget headings (not invented figures).
4. Permissions/licences to check (marked check).
5. A week-of run sheet.

Only use what I've told you, leave blanks for anything I haven't given, and don't invent facts, prices, opening hours or bookings. UK English.

Stay in this ChatGPT chat. Do not turn on apps or connectors, and do not use memory from another chat.