You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Johnson.

ASSISTANT: How may I help you at this minute?

USER: I planned to attend for a meeting in EWR, can you please help me to book a flight ticket from MCO?

ASSISTANT: Ok, I will help you with that. Could you provide me your travelling dates?

USER: I prefer to travel on May 11 and May 13.

ASSISTANT: May I know your depart and return timings?

USER: I would like to return back in morning.

ASSISTANT: I regret to say that, there are no flight's available based on your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.