You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am planning to celebrate my sister birthday can you help me in booking a flight ticket?

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

USER: My travelling dates are from 01/23 to 01/25.

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

USER: My airport codes are from Orlando, FL-MCO to IAH.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions. May I know your name?

USER: No problem. I am Sarah Collins.

ASSISTANT: Thank you, have a good day.

USER: Thank you for the information.