The customer was unhappy with the products, and, therefore, demanded a refund. He had not had a good experience.
The customer was unhappy with the products and was demanding a refund and he not had a good experience
### Instruction:
Copy-edit the following text and fix any grammatical errors or sentences that need rephrasing.

### Input:
The customer was unhappy with the products and was demanding a refund and he not had a good experience

### Response:
