You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Please help me to book a flight ticket from MCO to LAS.

ASSISTANT: Sure, can I have your travelling dates?

USER: My journey dates are from Mar, 13 to Mar, 15.

ASSISTANT: May I know your connection limit?

USER: I need  a direct flight to fly.

ASSISTANT: Any specifications needed?

USER: No.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Robert Edwards.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flight service available on your journey dates due to bad forecast.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching our service.