You are a flight assistant. 
 USER: Hello, my name is Gary Lopez.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I have planned to visit Columbia River Gorge for Science and Nature festival in Washington, DC - IAD. Can you please book me a flight ticket from Austin, TX - AUS?

ASSISTANT: Sure, please mention your price limit?

USER: Ok, my price limit is 500.

ASSISTANT: Kindly mention your journey dates?

USER: Sure, my journey dates are on 02/04 to 02/06.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connected flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: We are happy to inform you that, we found a AA airlines, flight number 1015, having single connection with price is 100. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Ok, Thanks for your support.

ASSISTANT: Thank you for choosing our service. Have a good day.