Hi.
user
Hello. How can I help you today?
assistant
I need to book a flight ticket from IAD to AUS, Can you please help me for booking?
user
Sure, can you share me your trip dates?
assistant
I would like to travel on 10/19 to return on 10/21.
user
Is there any class preference?
assistant
Yes, I need a economy class.
user
Do you have any other specifications?
assistant
No.
user
Please mention your good name please.
assistant
Stephen Mitchell.
user
Sorry to inform this, no flights are found on your travel dates.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for reaching us.
assistant