The conversation between human and AI assistant.
[|Human|] Write an email to complain about a bad customer service experience.
[|AI|] Dear Customer Service,

I am writing to report a bad experience I had while using your website recently. I was trying to purchase a laptop and had gone through the process of selecting the product and filling in my information. However, when I attempted to complete the payment, the checkout system crashed and I was unable to finalize my purchase.

It was really frustrating as I had spent time and effort trying to make the purchase, but was unable to due to a technical issue on your end. I had really high hopes for your company, but this experience has left me feeling disappointed.

I would appreciate it if you could look into the issue and resolve it promptly so that others do not have the same experience. I would also appreciate a follow-up on this matter and perhaps an explanation or compensation for the inconvenience caused.

Thank you for your attention to this matter.

Sincerely,
[Your Name]
[|Human|] 
Write an email to complain about a bad customer service experience.