You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have a franchise meeting at Orlando. Can you please help me in reserving the ticket from IAH to MCO?

ASSISTANT: May I know your desired travel dates please?

USER: I am willing to drop-off July 4 and again I will return back on July 6.

ASSISTANT: Do you have any specification?

USER: My return time is afternoon.

ASSISTANT: May I know your name please?

USER: Myself Mark Robinson.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Thank you for opting us.

USER: You are most welcome.