You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from ATL to IAH?

ASSISTANT:  Can I know your name for booking your flight ticket?

USER: I am Gary Nelson.

ASSISTANT: May I know your trip dates to reserve your seat.

USER: My trip dates are Mar 02 and Mar 04.

ASSISTANT:  Ok, which class do you prefer to travel?

USER: I want to travel in economy class flight.

ASSISTANT: Any other specifications to be met?

USER: I prefer to depart in the afternoon time.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Welcome Gary Nelson.