Hello.
user
Hello. How can I help you?
assistant
I am planning my trip to travel Washington. Can you please help me in reserving the ticket from DFW to IAD?
user
Sure, please share your travelling dates.
assistant
I am willing to drop-off July 12 and again I will be return back on July 14.
user
Do you need any  connection in between the journey?
assistant
I am flexible with single connection.
user
Ok, please share your other preferences.
assistant
No, I don't  have any criteria regarding my journey.
user
May I know your name please?
assistant
Myself Andrew Lopez.
user
Please wait a minute.
assistant
Sure, I will wait for your response.
user
Thank you for waiting, sorry no flights found with your details.
assistant
Not a big problem, anyhow thank you very much for your kind information.
user
Thank you for reaching us, have a good day.
assistant