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