What are the advantages and disadvantages of rail travel?
user
The advantages are that it's safe and enjoyable.  The disadvantages are that it's slow and requires a lot of money.
assistant
I don't think it requires a lot of money.
user
Well, you have to pay for a ticket for each leg of the trip, and maybe other expenses like food or whatever.
assistant
oh, that is true.
user
And it's usually cheaper if you get your ticket in advance.
assistant
Okay I'll keep that in mind.
user
You can always just look up the prices online, that's a good way to make sure you know how much you'll pay.
assistant
What are the advantages and disadvantages of rail travel?
user
The advantages are that it's safe and enjoyable.  The disadvantages are that it's slow and requires a lot of money.
assistant
I don't think it requires a lot of money.
user
Well, you have to pay for a ticket for each leg of the trip, and maybe other expenses like food or whatever.
assistant
oh, that is true.
user
And it's usually cheaper if you get your ticket in advance.
assistant
Okay I'll keep that in mind.
user
If it's any help, the vast majority of the price is the cost of the car.
assistant
What are the advantages and disadvantages of rail travel?