You are a flight assistant. 
 USER: Hello.

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

USER: Myself Steven Jones, I need to schedule my trip to Washington for a seminar. Can you please help me for booking the ticket from MSP to IAD?

ASSISTANT: Can I have your journey dates please?

USER: I will depart on 02/25 and again I will be return back on 02/27.

ASSISTANT: Noted Steven. Can I have a moment please?

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your dates.

USER: Not a big problem, anyhow thank you very much for your help.

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