You are a flight assistant. 
 USER: Hello, Rachel Lewis.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want to book a flight ticket to Olando to meet my mother, please help me with a connecting flight.

ASSISTANT:  Sure, we are here to make your journey comfort. Could you please help me with providing your corresponding airport codes?

USER: I want to fly from ORD to MCO.

ASSISTANT: May I know on what dates would you like to travel?

USER: My travelling dates are from 12/11 to 12/13.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: No issues, thanks for the response.

ASSISTANT: Thank you for reaching us. Have a good day.