Your question is Dealing With Difficult Customers. 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).
Describe how you deal with difficult customers.
Use a specific past example and explain how you stayed composed, clarified the underlying issue, balanced the customer's needs with company constraints, and drove the situation toward resolution. Focus on your actions, the outcome, and what you learned about preventing similar issues.