You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, Please inform me, How may I assist you the day?

USER: I want to book a flight ticket within airfare 1000, on 02/26. Can you help me?

ASSISTANT: Sure, let me know your return date.

USER: I intend to return on 02/28.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Sure, Origin is DCA and destination is ATL.

ASSISTANT: May I know your name for booking?

USER: Samuel Moore, is my name.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for being hold.

USER: Ok.

ASSISTANT: Unfortunately, there were no flights running at that particular location due to abnormal weather condition.

USER: That's ok, thanks for your valuable information.

ASSISTANT: Thank you for opting us.