Hello, I'm John Hall.
user
Hello Hall. How may I assist you today?
assistant
During rainy season I would like to go to my brother's home, so could you please book a ticket from LAS to DCA?
user
Sure, may I know your trip dates?
assistant
I would like to travel on 01/06 and return on 01/08.
user
John sorry to say this no flights as per your details.
assistant
That's ok. Thank you.
user
You are welcome.
assistant