You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need to attend an emergency meeting in Orlando, can you please check the flights availability with direct flight?

ASSISTANT: Sure, May I know the journey codes?

USER: My source and destination airport codes are, AUS to MCO.

ASSISTANT: Please help me with your travelling dates.

USER: My journey start on July 29th, and return back on July 31st.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Is there any other requirements?

USER: Nothing else.

ASSISTANT: May I know your name?

USER: My name is Deborah Harris.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.