妈妈： Hello! Can I take a look at that pair of shoes?
售货小姐： Sure. What colour do you want?
妈妈： Oh, you know what. I like that pair of the brown colour.
售货小姐： That is a nice colour on you. Here you are.
妈妈： Can I try them on?
售货小姐： Of course.
妈妈： I really like this colour and they fit me so perfectly!
售货小姐： That sounds great!
妈妈： Well, this pair seems too expensive for me.
售货小姐： This pair was designed in Italy. That's why it's more expensive than others.
妈妈： Oh, I see. Can I try that pair of black colour shoes over there?
售货小姐： No problem, madam.
妈妈： This pair is cheaper than the other one, and it fits me well.
售货小姐： Madam, this pair looks very elegant on you.
妈妈： Haha. Thank you for your help! Okay, I'll buy this pair.
售货小姐： That's great! It's my pleasure of serving you.
妈妈： Do you accept credit cards or cash?
售货小姐： We accept all kinds of payment methods including credit cards and cash.
妈妈： Very good! I am gonna pay by my master card.
售货小姐： Thank you!
妈妈： Thank you! Bye!
售货小姐： Have a good day, madam!