# W5 | anthropic/claude-haiku-4.5 | run 1

## Prompt

Write an apology email to a client. We missed the agreed delivery date by a week due to an internal mistake (not their fault); the client is frustrated. Be sincere, take responsibility, offer a concrete next step, don't grovel. Under 130 words.

## Response

Subject: Apology for Missed Delivery — [Project Name]

Dear [Client Name],

I'm writing to sincerely apologize for missing our delivery deadline by a week. This was due to an internal oversight on our part, and you deserved better. I take full responsibility for the delay and understand your frustration.

Here's what we're doing immediately:

We've identified the process breakdown and implemented a fix to prevent this from happening again. Your project is now complete and ready for delivery by [specific date]. I'm personally overseeing final QA to ensure quality.

I'd like to schedule a brief call with you this week to discuss how we can rebuild your confidence and strengthen our partnership going forward.

Thank you for your patience. We value your business.

Best regards,
[Your Name]

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What specific outcome would most help restore your confidence in our ability to deliver on time?
