You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Taylor.

ASSISTANT: What help that you are seeking from our agency?

USER: Can you please find a flight for me from Washington to Austin? Because I have a work in Austin.

ASSISTANT: Sure, I am glad to assist you in flight ticket booking. Can you please help me out by providing your regional airport codes?

USER: Thank you. My regional airport codes are DCA and AUS.

ASSISTANT: Which class that you prefer?

USER: I don't have any preference in class.

ASSISTANT: May I know your journey dates?

USER: The planned travel dates are Mar 22nd and Mar 24th.

ASSISTANT: Please be on hold for a moment to search for the flight.

USER: I need a direct flight for my journey because I don't want any delay.

ASSISTANT: Sorry to say that no direct flight is obtained on your journey dates to book a flight ticket due to completion on flight tickets.

USER: It's ok, not an issue with that. I will choose some other source to complete my trip. Thank you for your time.

ASSISTANT: You are most welcome and thank you for consulting our agency.

USER: You are welcome.