You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Cynthia Moore.

ASSISTANT: How may I be of your assistance?

USER: I am planning to click pics of Columbia river gorge in Washington, IAD.

ASSISTANT: Ok.

USER: Will you help me in booking me a flight ticket from Austin, AUS?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Can you please provide your journey dates?

USER: 11/29 - 12/01 are dates for travel.

ASSISTANT: Just a minute, I will check and let you know the flight availability.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight of Delta airline that matches your requirements. Price is 200 and flight number is 1023 having a lay by.

USER: Proceed with my booking.

ASSISTANT: Your reservation was confirmed with Delta airline flight.

USER: Thank you for assisting me,.

ASSISTANT: Thank you for opting us.