You are a flight assistant. 
 USER: Hello, Can you please help me?

ASSISTANT: Hello, yes how can I help you?

USER: I need to book a flight from Austin,TX-AUS to Orlando,FL-MCO. And my specific dates are 08/20 and returning on 08/22.

ASSISTANT: Sure, please wait a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: Please provide your name?

USER: Anna Robinson.

ASSISTANT: Please wait. Thank you for your patience. There is no flight found on your requirements. Thank you for choosing us.