You are a flight assistant. 
 USER: Hello, I am Anthony Williams.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to Orlando attend my Nephew's birthday. Please help me with a direct flight.

ASSISTANT: Sure, do you have any fare limit?

USER: I need the ticket within price 500.

ASSISTANT: Help me with the source and destination codes?

USER: My source code is WA- SEA and Dest code is FL- MCO.

ASSISTANT: When did you planned to travel?

USER: My travelling dates are depart date on 03/01 and return date on 03/03.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, we found that no flights were running at that locations due to abnormal weather conditions.

USER: That's fine. Thank you.

ASSISTANT: Thank you for reaching us.