Hello.
user
Hello. How can I help you?
assistant
I am looking for flight from DCA to DFW, can you book the flight ticket for me in my preferable route?
user
Sure, can I know your travel dates?
assistant
I preferable dates are from 02/22 till 02/24.
user
Give me a minute, let me check the details. May I know your name?
assistant
Myself Brian Martin.
user
Sorry Martin, there is no flight available on your requested dates.
assistant
That's ok. Thank you for your information.
user
You are welcome.
assistant