You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from MCO to AUS?

ASSISTANT: Sure, let me know your travel dates please?

USER: My journey dates are Apr 27 and Apr 29.

ASSISTANT: Do you need any preference?

USER: I need a direct flight.

ASSISTANT: Can I know your name please?

USER: I am Kathleen Garcia.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for contacting us.