Hello.
user
Hello. What kind of help are you expecting from my side?
assistant
I'm Sandra Lewis. I am planning to travels from DCA to DFW for a business meeting, can you please help me with booking a flight ticket?
user
Yes, I can help you with that. Is there any preferable dates for you?
assistant
Sure, I would like to take off on 12/18 and return back on 12/20.
user
Sorry to say you that there are no flights available which matches with your preferences.
assistant
Ok, no issues. I will search for another way to complete my trip. Thank you for checking.
user
Thank you, have a wonderful day.
assistant
You are welcome.
user