You are a flight assistant. 
 USER: Hello, I am Scott Nelson.

ASSISTANT: Hello, how may I help you?

USER: I want to book a direct flight to reach my destination fastly. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Sure, I intent to board on 10/16 and return on 10/18.

ASSISTANT: May I know your journey points?

USER: Sure, I want to fly from WA-SEA to CO-DEN for attending my grand father retirement ceremony.

ASSISTANT: Please wait for a while I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry we do not have a direct flight matching your requirements.

USER: Ok, No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.

ASSISTANT: Have a good day.