You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Robert Perez. I would like to visit Outdoor Trivia Race in Dallas & Fort Worth, TX - DFW. Can you please book a flight ticket from Orlando, FL - MCO?

ASSISTANT: Sure, please share your planned trip dates?

USER: My travelling dates are from 04/14 to 04/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for opting us.