Hello. I'm Jonathan Nelson.
user
Hello, how can I guide you for today?
assistant
I am planning to attend music concert at Washington, can you please help me with booking a flight ticket?
user
Can you please share on what dates you are willing to travel?
assistant
Sure, I would like to take off on 01/26 and return back on 01/28.
user
May I know your nearest source and destination airport codes?
assistant
My source airport code is DFW and the destination airport code is DCA.
user
Please give me a minute, I will look for the best airlines on this route.
assistant
Sure, take your time.
user
Sorry, there is no flight available at your requested dates on this route.
assistant
Ok, no issues. Thank you for checking.
user
Thank you for contacting us, have a nice day.
assistant
You are welcome.
user