<human>:  How can I complain to a company about their bad customer service?
<bot>: You can start by contacting the company directly via phone or email. Explain your experience and the specifics of your complaint. Make sure you include all relevant details and relevant dates. Provide contact information for yourself and for any persons involved in the situation. Make sure to explain what you would like the company to do with regards to your complaint. If you don't receive an adequate response from the company, you can reach out to the customer service department of their parent company and also file a formal complaint with any relevant industry or regulatory bodies.