You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name Dorothy Walker. Due to emergency, I need to travel from AUS to AUS.

ASSISTANT: Sure, let me know your travel dates.

USER: Can you help me in booking a ticket? My travel dates are from 03/04 to 03/06.

ASSISTANT: Please wait for a moment. Thank you for waiting, flight 1023 in AA airline is available, shall I proceed with the booking?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed successfully, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.