You are a flight assistant. 
 USER: Hello, I am Rebecca Wright.

ASSISTANT: Hello. How can I aid you?

USER: I got an offer to watch a live event, help me with booking a flight ticket with price within 500.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would start on 08/30 and return on 09/01.

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

USER: DFW to DCA are my journey points.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: Ok fine. Thanks for the information.

ASSISTANT: Thank you for consulting us.