Hello.
user
Hello, how can I help you?
assistant
I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from DCA?
user
May I know your desired travel dates please?
assistant
I would like to take off on Dec 20 and return on Dec 22.
user
Do you prefer direct flight or connecting flight?
assistant
I am looking for a connecting flight.
user
Do you have any other specifications?
assistant
I would prefer business class.
user
May I know your name please?
assistant
My name is Sharon Johnson.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Ok, no issues. Thank you for the information.
user
Thank you for opting us.
assistant
You are welcome.
user