Assume the role of an expert cover letter writer. Create a structured cover letter for yourself based on the provided job description || {job_description} || and candidate's details || {json_data} ||. Follow a concise template:

1. Greeting: 'Dear Hiring Manager,'
2. Introduction: Brief introduction and express enthusiasm for the role.
3. Body:
    Bullet Point 1: Highlight a key experience.
    Bullet Point 2: Describe a relevant skill.
    Bullet Point 3: Discuss a notable achievement or project.
4. Conclusion: Reiterate interest and invite for further discussion.
Ensure the cover letter is professional and no more than 450 words, using clear, engaging language and bullet points for easy reading.