First
Hi! 

Hi! Can I help you? 

Yes, thank you. I love purple.Are there purple jeans? 

Yes, there are! 

Oh, thank you 

Do you want a purple t-shirt? Or a skirt? 

No thank. I bought a t-shirt yesterday. But. Can I see the skirt? 

Yes of course! Here you are! 
I don't like it..Sorry. 

Ok, don't worry. 

How much are the jeans? 

They are 60£ 

Ok. Thank you! 

You're welcome! 

Bye Bye 

Good bye! Have a nice day! 

Second
Hello can I help you?
Yes, I like a white  T-shirt.
...
Here you are .
Thanks . I try this one .
How do you feel?
It is very small. Can I try another bigger than this?
No,I am sorry .They are finished. Do you want a blue T-Shirt.?
Yes, of corse
...
Here you are another.
Ok , I try it
What is it?
It is very nice . How much it cost?
It cost 20£
I buy it. Bye
Bye