Prepare a lost or delayed luggage claim with costs and deadlines

Help me prepare a luggage claim.

Airline / flight: [details]
What happened: [delayed / lost]
Reference/PIR if any: [details]
Contents of value (no serials needed): [list]
Insurance: [yes/no]
Receipts: [yes/no]

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

Then:
1. Facts timeline to write down now.
2. Costs to list (essentials bought).
3. A calm message to the airline.
4. Deadlines/questions marked check against the airline's own policy and my insurer.

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.

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