Hello, I am Timothy Allen.
user
Hello, how may I serve you at this moment?
assistant
I would like to go to a event in Washington, so could you aid me in booking a flight ticket to Washington?
user
Sure, I will help you. Please send your travelling dates.
assistant
Sure, I would like to go on 04/24 and return back on 04/26.
user
Please send your nearby airport codes.
assistant
My source and destination airport codes are DCA and DCA.
user
Can I have a moment please?
assistant
Ok, ensure it is a single connecting flight.
user
Sorry, there is no flight available on your dates.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant