You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Jackson.

ASSISTANT: How may I aid you at this moment?

USER: I am planning to visit Dallas to attend a meeting, can you please reserve me a flight ticket from MCO to DFW?

ASSISTANT: Sure, on what dates that you are willing to travel?

USER: I want to depart on Apr 10 and would like to return on Apr 12.

ASSISTANT: Is there any other preferences?

USER: Please ensure that return flight is in afternoon time.

ASSISTANT: Thank you for your information, based on your dates there is no flight found to your destination to book a ticket.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us and most welcome.