编一个英语对话含苹果这个单词

How are you doing?
I feel really sick, no appetite at all，and my skin is so dry...
Relax, have some apples. It helps.
Really?
Yeah, for sure. Haven't you heard the saying 'an apple a day, keeps the doctor away'?

- I want some apples
- here you are

-excuse me,how much are these apples?
-the big ones are 5 yuan each kiolgram. the small ones are 3 yuan each kilogram.
-i want to buy the big ones
-how many do you want?
-2 kilograms
-here you are