Assistant: Can I help you?
Pim: I'd like to exchange this shirt please.
Assistant: Do you have the receipt?
Pim: Yes , I do.
Assistant: what size are you?
Pim: I think about Medium. Do you have this in Pink colour?
Assistant: Let me chek. Please wait a minute.
In your size it don’t have in Pink colour but it’s have in Blue colour. Do you like it?
Pim : Yes , of course
Assistant : there you go.
Pim : Thank you so much
Assistant : You’re welcome