PwC Auditor interview questions

The interview is mostly behavior questions. They want to see your personality and how can you contribute to the teamwork. The interviewer is friendly and told to you like you are his old friend. The interview has 3 rounds.

Describe a situation where you went above and beyond to meet a customer's needs. How would you encourage a customer to purchase one of our products? How will your strengths can benefit our company? Name one of your weaknesses that you would like to improve.