Hello, Ashley Adams.
user
Hello. How can I serve you?
assistant
I need to fly on 07/16 to meet my sister on her birthday and on 07/18. Could you please help me with booking a flight ticket?
user
Sure, I am here to help you. Can I know your preferable airport codes?
assistant
Sure, my source Washington, DC-DCA  to DC-IAD.
user
Do you need any connecting flight?
assistant
Yes, I need a halt in between the journey.
user
Unfortunately, there are no flights found according to your requirements.
assistant
No problem, thank you for the information.
user
Thank you for consulting us.
assistant