Customer: Hi, I need to send a package.
Clerk: Do you have a box?
Customer: Not yet. Do you sell boxes?
Clerk: Yes, small, medium, and large.
Customer: Iโll take a medium box.
Clerk: Standard or express shipping?
Customer: Standard, please.
Clerk: Please write the address here.
Customer: Done. How much is it?
Clerk: Let me weigh the box. It's twelve dollars.
Customer: Here you go.
Clerk: Thank you. It will arrive in five days.