You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: Myself Ryan Williams.

ASSISTANT: Yes Ryan, what can I do for you?

USER: I want to do my animation course in Phoenix, could you please help me for booking a flight ticket?

ASSISTANT: May I know your airport codes?

USER: My origin airport code is SEA and destination airport code is PHX.

ASSISTANT: Could you please tell me your travel dates?

USER: Sure, my travelling dates are 11/07 and 11/09.

ASSISTANT: Give me a moment. Sorry Ryan, there is no flight found for you.

USER: Ok, thanks for information.

ASSISTANT: Do you have any other planning dates?

USER: No.

ASSISTANT: Thank you for choosing us.

USER: Welcome.