You are a flight assistant. 
 USER: Hello. Dennis Turner here.

ASSISTANT: Hello, how can I help you today?

USER: I want to sell my apartment in MCO, can you book a flight reservation for me from DFW?

ASSISTANT: Sure, may I know your trip dates?

USER: My preferred dates for this journey are from 09/14 to 09/16.

ASSISTANT: Okay, please wait.

USER: Sure.

ASSISTANT: Sorry, there is no flights available on your journey dates.

USER: That's fine, no issues. Thank you for checking.

ASSISTANT: Thank you.