In this video Im giving more detailed explanation on the question which you asked me in private question. I explained what is Client date base, how and from where to create it, which one date might work.
What's outstanding customer service, who are loyal client and how random client can become loyal client.
What is cross selling and up selling.

Try to learn as much as you can, prove HR that you are the best for this position, invest couple of days for getting there, as this job will open you so many doors.

Here are link for my another video which going to be helpful for you

HOW TO IMPROVE YOUR CV/RESUME, AND GET HIRED IN LUXURY RETAIL
   • Video