Final answer:
When a customer says 'No, thank you' when offered help, it's important to continue offering help but remain alert for any signs that assistance may be needed.
Step-by-step explanation:
When a customer says, 'No, thank you' when offered help, the next step is to continue offering help for the time being, but remain alert for a sign that you are needed. It's possible that the customer may change their mind or require assistance at a later point. By continuing to offer help, you are showing that you are available and ready to assist if needed.