You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I want to book a flight ticket from MCO to ORD to meet my childhood friends.

ASSISTANT: Sure, can I have your travel dates please?

USER: My travelling dates are Sep 12 and Sep 14.

ASSISTANT: Ok, please let me know your preferable timings of  your journey.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any other specifications?

USER: I preferable to travel in a connecting flight.

ASSISTANT: Can I have your good name please?

USER: I am Elizabeth Wilson.

ASSISTANT: Sorry to inform you that  no flight is available to you on your dates.

USER: No worries, thank you for the information.