Talk about how you would serve customers in excellent customer service but also how you like being target driven and how this can be shown from previous experience
It would be a competency based interview so I would present certain examples to illustrate how I have displayed the correct behaviours and abilities in areas such as Build Trust, Focus on customers, Collaborate with others, Make sound decisions, Act with integrity, Learn and adapt.
Dress formal, learn about the organisation and have a professional but friendly attitude about you.
Read up about the position you are applying for so you have background knowledge.
Point evidence explain, and give examples of how you perform
Research the latest news
You should take a look at what the company is about. Get much knowledge as possible.