You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Patrick Wilson here. Please help me out in booking the ticket from AUS to MCO.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: My trip dates will be Nov 23 to Nov 25.

ASSISTANT: Do you have any other specifications?

USER: My return time must be in the afternoon.

ASSISTANT: Ok, wait for some time.

USER: Please make sure that class must be business.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That's ok, thank you.

ASSISTANT: Thanks for approaching us.