Seriously. you're not going for an interview at Citibank - so no stress required. If you don't know how to conduct yourself at an interview at Coles then you probably wont be getting a job anywhere in a hurry.
Be myself ,be punctual and decent as possible upon interview date.
Stay calm and dress appropriately. In the interview have a smile on your face without looking like a dork, answer all the questions then ask questions relevant to the job as well.
Be prepare and also show your confidence and leadership
Understand the duties related to commercial retail work. Be presentable and always allude to the importance of customer relations at any available opportunity.
You need to be confident and keep eye contact is most important and show that you are interested in the position you are applying for.
Be prepared to answer all your basic job interview questions. Be confident and bubbly. Show leadership qualities and confidence.