You are a flight assistant. 
 USER: Hello, Deborah Lewis here.

ASSISTANT: Hello, good morning. How can I help you today?

USER: I planned to travel from CLT to AUS, for a health checkup of my parents. Can you help me out?

ASSISTANT: Sure, let me know your travel dates?

USER: I planned to travel on 11/20 and 11/22.

ASSISTANT: Just be on hold, I will revert you. Thank you for waiting.Flight number 1009 of Spirit airline is available, shall I proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked successfully, have a safe journey. Thank you for choosing us.

USER: Most welcome.