When your baggage goes missing during travel, it can be a frustrating experience. However, there are several steps you can take to navigate the situation effectively:

1. Report the lost luggage immediately: As soon as you realize your baggage is missing, report it to the airline or the airport's lost and found department. Provide them with detailed information about your bag, such as its color, size, and any distinguishing features.
2. Keep all relevant documentation: Make sure to keep copies of your boarding pass, baggage claim ticket, and any other relevant documents. These will be important when filing a claim or providing evidence of your lost luggage.
3. File a claim: Most airlines have a specific process for filing a claim for lost luggage. Fill out the necessary forms and provide all the requested information. Be sure to include a detailed description of the contents of your bag and their estimated value.
4. Stay in touch: Keep in contact with the airline or the airport's lost and found department to stay updated on the progress of your lost luggage search. Provide them with your contact information and ask for a reference number for your case.
5. Check your travel insurance: If you have travel insurance, review your policy to understand what coverage you have for lost luggage. Contact your insurance provider and follow their instructions for making a claim.
6. Document your expenses: If your luggage is not found within a reasonable time, you may need to purchase essential items. Keep receipts for any expenses related to replacing clothing, toiletries, or other necessary items.
7. Be persistent but polite: If you're not getting satisfactory assistance, escalate your case to a supervisor or customer service manager. Remember to remain calm and polite throughout the process.

Remember, each airline may have slightly different procedures, so it's essential to follow their specific instructions. Additionally, it's a good idea to familiarize yourself with the airline's baggage policies and restrictions before your trip.

For more information, you can refer to the U.S. Department of Transportation's Lost or Damaged Baggage page, which provides additional resources and guidance on dealing with lost luggage.

By following these steps and staying proactive, you can increase your chances of recovering your lost luggage or receiving compensation for your belongings.