“Refreshments. Snacks,” she called.

A woman flagged her down at the end of the carriage. As Paula headed toward her, the woman reached out and shook someone slumped in the seat opposite. Paula stopped the trolley. The other woman was slowly waking up.

“Do you want a coffee?” the first woman said. She sounded tired, maybe a little drunk.

“I think I should just sleep it off,” said the second woman, slumping back in the seat.

Paula noticed they were both wearing evening dresses. Their make-up was a little thin in places, worn off, smudged in others. They were barefoot, but there were two pairs of stiletto heels on the table top.

The first woman screwed up her nose. “Just one, please,” she told Paula.

Paula poured her a coffee. “£1.90 please.”

The woman gave her a fiver.

NOTES:
And so we come at last to the final in a long series of shop girls, sales assistants and retailers whose sole purpose is to pass the coin from one character to another, completely unrelated one. But if you've been following the story from the beginning, you already know all that by now.