You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help you are looking from our service?

USER: Can you aid me to book a ticket from MCO to ORD?

ASSISTANT: I am happy to assist you in booking your flight ticket. Can you please provide me on which dates you have planned your journey?

USER: I planning to move on Aug 12 and Aug 14 respectively.

ASSISTANT: Can you please provide me do you have any connecting flight for your journey?

USER: Make sure that I need a connecting flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: I prefer to travel in economy class and return journey should be in the evening.

ASSISTANT: Can you please provide your name for further proceeding?

USER: Christopher Martinez here.

ASSISTANT: Sorry to say this Christopher Martinez, there are no flights which travels to your region due to tornado effect.

USER: No issue. Thank you.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.