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Organise a group trip with cost split and decision rules

Group trips die in the chat. Get roles, a cost approach and a decision deadline.

Updated 17 Oct 2026

The prompt · ChatGPT

Organise a group trip.

People / constraints: [list]
Date window: [details]
Budget band feel: [details]
Destination known: [yes/no — details]
Who can be organiser: [optional]

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

Then:
1. Decision steps with a deadline.
2. A fair cost-split approach.
3. Roles (booker, treasurer, comms).
4. A group message to kick it off.
5. Shared itinerary options (Sheet or Maps list).

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.

A short example

Fill the blanks, then paste. list: a short note you already have. details: a short note you already have. Leave the rest of the prompt as written.

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