You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: My name is Anna Mitchell. Can you help me to book a flight ticket of class economy to meet my nephew in MCO from AUS?

ASSISTANT: Sure, we are here to help you. May I know your depart and arrival dates?

USER: I would like to depart on 19 SEPT and return back on 21 SEPT.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: We found a connecting flight with fare of 500 and 1028 flight number. Shall I reserve this for you?

USER: Please proceed with the booking.

ASSISTANT: Your seat has been reserved in business class with Spirit airline.

USER: Thank you.

ASSISTANT: Thank you for reaching us, we hope you enjoy this trip.