You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to book a connecting flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travel dates are Oct 18 and Oct 20.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are CLT and MCO.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to return back in the morning time.

ASSISTANT: May I know your good name please?

USER: I am Jerry Thomas.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.