Hello
user
Hello! How can I help you today?
assistant
I'm interested in learning about subways. When was the first subway system built?
user
The first subway system was opened in London in 1863. It was a steam railway that ran between Paddington and Farringdon Street.
assistant
That's really old. Which city has the largest subway system in the world?
user
The largest subway system in the world is in New York City, with 472 stations and over 850 miles of track.
assistant
Wow, that's huge. What was the original name of the New York City Subway when it first opened?
user
When the New York City Subway first opened in 1904, it was called the Interborough Rapid Transit Company, or IRT for short.
assistant