Hello.
user
Hello, how can I assist you for the day?
assistant
 I am planning to celebrate my friend's birthday at Washington, IAD. Can you please make a reservation from AUS?
user
When you are willing to travel?
assistant
I want to start my journey on June 24 and return back on June 26.
user
Do you have any connection limit? May, I know your good name?
assistant
Sure, myself Anna Carter.
user
Sorry, we found no flights on your given dates.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant
Thank you for your service.
user