Hi.
user
Hello. How can I assist you?
assistant
I would like to travel from AUS to IAD, can you please book my flight ticket?
user
Sure, can you please mention your departure and arrival dates of your journey?
assistant
Thank you. I will depart on Dec 3rd and return back on Dec 5th.
user
Do you need any layover in between  journey?
assistant
I am looking for a connecting flight.
user
Is there any other specifications regarding your journey?
assistant
I prefer for a business class.
user
 May I know your name for the documentation process?
assistant
My name is Richard Lewis.
user
Thank you for the information, please wait for a while.
assistant
Sure.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Sad to hear that. Anyway, thank you for the information.
user
Thank you for reaching us.
assistant