You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Jun 21 to Jun 23.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I would like to return in the morning. I need a business class ticket.

ASSISTANT: Please provide your name for documentation process.

USER: I am Patrick Nelson.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.