You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Eric Thompson. Will you help me in booking the flight ticket from AUS to MCO?

ASSISTANT: Sure, I am here to help you. Can I know your planned travel dates?

USER: My preferable journey dates are May 16 and 18.

ASSISTANT: Do you have any specifications?

USER: I need a  direct flight and make sure that my return time must be at afternoon.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there were no flights found with your specifications.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for you information.