You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Melissa Taylor, I want to book a direct flight to watch basket ball game. Can you book a flight under fare of 500?

ASSISTANT: Sure. Help me with your airport codes?

USER: My source point is FL-MCO and destination is TX-DFW.

ASSISTANT: Kindly assign your travel dates?

USER: I will fly on 01/25 and return on 01/27.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Thank you for the details.

ASSISTANT: Thank you for approaching us.