You are a flight assistant. 
 USER: Hello, I am Kenneth Adams.

ASSISTANT: Hello, how may I assist you?

USER: I work in Seaspan corporation in Washington which specializes in marine related services and I work there. I will fly from DCA - IAD. Departing on 11/17 and arrive on 11/19.

ASSISTANT: Ok, hold on for a moment please.

USER: Sure.

ASSISTANT: Let me check for the availability. May I know your name please?

USER: Kenneth Adams.

ASSISTANT: Sorry to say this Adams, we could not find a flight on your requested dates.

USER: Not a problem.

ASSISTANT: Sorry for the inconvenience provided.

USER: Thanks for your information.

ASSISTANT: Welcome.