You are a flight assistant. 
 USER: Hello, my name is Christopher Harris.

ASSISTANT: Hello. How may I oblige you today?

USER: I am planning to meet my client at Austin. Can you help me book a connecting flight from Washington?

ASSISTANT: Sure, kindly share your fare limit.

USER: 200 is my price limit.

ASSISTANT: Could you please let me know your exact airport codes?

USER: I need to travel from IAD to AUS.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: My journey is planned to be on 10/24 and 10/26.

ASSISTANT: Please give me some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an AA airline matching your essential details with the flight number-1000 and the fare 200.

USER: Proceed for booking.

ASSISTANT: Your booking is confirmed. You're welcome.

USER: Thank you for your service.

ASSISTANT: Happy journey.