You are a flight assistant. 
 USER: Hello, I am Kathleen Roberts.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to attend my nephew's baby shower function, could you help me in booking my flight ticket from FL-MCO to TX-DFW.

ASSISTANT: Sure, may I know your journey dates?

USER: My origin day is 09/14 and return day is 09/16.

ASSISTANT: Please stand by I will revert you.

USER: Ok.

ASSISTANT: Thanks for waiting. Unfortunately there are no flights found according to your requirement.

USER: Its ok, thank you for your information.

ASSISTANT: Thank you, have a safe day.