You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book my flight ticket from AUS to MCO?

ASSISTANT: May I know your planned travel dates/.

USER: I would like to depart on Nov 5th and return back on Nov 7th.

ASSISTANT: Do you have any limits on number of connections?

USER: I am looking for a direct flight with business class.

ASSISTANT: Do you have any another specifications on your journey?

USER: I would like to depart in the afternoon time.

ASSISTANT: May I know your name for the booking process?

USER: My name is Karen White.

ASSISTANT: Sorry, no flight are available on your route.

USER: Not an issue. Thank you for checking.

ASSISTANT: Welcome, thank you for reaching us.