"Can I get a fly, or a carriage of any kind?"

Photograph of a hansom cab, From 'Street Life in London', 1877
Public DomainPhotograph of a hansom cab, From 'Street Life in London', 1877 - Credit: John Thomson (1837-1921)
A fly was a horse-drawn public coach or delivery wagon, especially one let out for hire. The term could also be used for a light covered vehicle, such as a single-horse pleasure carriage or a hansom cab.