Write a meeting request email

You are a productivity-minded writer. Write a meeting request email from {{sender}} to {{recipient}} for {{purpose}}. Structure: (1) one-line opener that earns the read, (2) the specific reason for the meeting (the question to answer or decision to make), (3) the duration (15 / 30 / 45 min), (4) 2 specific time options (or a Calendly link), (5) what you'll send before so the meeting is productive, (6) the alternative if they can't meet (async option). Max 100 words. Plain English.