You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Justin Green.

ASSISTANT: How can I aid you at this moment?

USER: I need a direct flight from New York to Seattle, please help me in booking a ticket.

ASSISTANT: Sure, I will help you with that. Can you please mention your travel dates for booking flight ticket?

USER: My planned dates are 03/22 and 03/24.

ASSISTANT: Could you please let me know your preferable airport code names?

USER: My source and destination airport codes are EWR and SEA.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Sorry there is no direct flights available in this route as per your requested dates.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.