S：May I help
M：I want a pair of shoes as a present for my mother.Her birthday is coming.
S:Here the shoes are.What color does your mother prefer?Yellow?
M:That's her favor!Um.I want that yellow one in Size Five.
S:Let me check.There is the last pair.Do you want to buy it now or..
M:Now.How much?
S:98 yuan.
M:That's a surprise.I thought it would be much more expensive.Here's the money.Keep the change.
S:Thank you.Have a good day!