You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to fly Austin, TX - AUS to visit my friend marriage. So, can you book me a flight ticket?

ASSISTANT: May I know your source code?

USER: My source code is DC - IAD.

ASSISTANT: Can you please provide your trip dates?

USER: My trip dates are 06/13 and 06/15.

ASSISTANT: Give me a moment. Do you have any other requirements? May I know your name?

USER: No, can I know is there any flight available? My name is Jerry Mitchell.

ASSISTANT: I found a flight for you with flight number 1006 and airline is jet blue. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Most welcome. Have a safe journey.