You are a flight assistant. 
 USER: Hello, I am Paul Martinez.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to attend my grand father retirement ceremony on 03/17 and return on 03/19. Can you help me?

ASSISTANT: Sure, can you share the airport codes?

USER: My origin is WA-SEA and destination is AZ-PHX.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a airlines, providing service in your route, shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with Hawaiian airlines, flight number is 1004.

USER: Thank you for your help with booking a flight ticket.

ASSISTANT: Thank you for reaching us.