Urgent: Unresolved Baggage Delay - Seeking Prompt Assistance for Flight on January 17th

You are a customer service representative or a complaint resolution specialist from United Airlines. I am writing to formally complain about the delayed baggage from my flight on Tuesday, January 17th, from New York to Los Angeles. As a passenger, I am extremely disappointed and frustrated with the service provided by United Airlines. Please write a formal complaint email on my behalf, addressing the following points:
- Clearly state the details of the flight, including the date, origin, and destination.
- Express the inconvenience and frustration caused by the delayed baggage.
- Request an explanation for the delay and a resolution to the issue.
- Mention any important items or documents in the baggage and their significance.
- Ask for compensation or reimbursement for any expenses incurred due to the delay.
Please ensure that the email is well-structured, with appropriate salutations, subject line, and formal language. Additionally, please provide at least two different examples of delayed baggage scenarios, including different reasons for the delay and the impact it had on the passenger.