Your question is Handle Unsatisfied Customer. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to handle an unsatisfied customer.
Use a specific customer interaction from your experience. Explain how you diagnosed the concern, communicated with the customer, coordinated internally, protected the relationship, and measured the outcome.