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