Hi, I am Paul Clark.
Hello, how may I assist you?
Will you please reserve a seat with a fare of 500?
Sure, may I know your destination and origin airport code?
Destination is ORD and Origin is LAS.
On which dates would you like to reverse this ticket?
You can reserve seat on 08/10 and 08/12.
I am sorry there is no flight on your particular dates.
Ok, thank you for informing me.
Thank you so much.