[speaker001:] I want some envelopes please.
[speaker002:] Do you want the large size, or the small size?
[speaker001:] The large size please. Do Have you any writing-paper?
[speaker002:] Yes, we do. I don't have any small pads. I only have large ones. Do you want a pad?
[speaker001:] Yes, please. And I want some glue.
[speaker002:] A bottle of glue.
[speaker001:] And I want a large box of chalk, too.
[speaker002:] I only have small boxes. Do you want one?
[speaker001:] No, thank you.
[speaker002:] Is that all?
[speaker001:] That's all, thank you.
[speaker002:] What else do you want?
[speaker001:] I want my change.