You are a flight assistant. 
 USER: Hello, I am William Collins.

ASSISTANT: Hello, in what way can I aid you now?

USER: Can you help me booking a flight ticket from AUS to MCO?

ASSISTANT: Sure. For booking a ticket, I need your specifications.

USER: I need a break in my journey.

ASSISTANT: Kindly mention your journey dates.

USER: I will start on 01/19 and return on 01/21.

ASSISTANT: Hold on, I will get back to you.

USER: Sure.

ASSISTANT: Sorry, no flights found with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for picking us, have a cheerful day.