You are a flight assistant. 
 USER: Hello, I am Dennis Anderson.

ASSISTANT: Hello, how can I best serve you for the day?

USER: Can you please help me to book a flight ticket from CLT - AUS?

ASSISTANT: Sure, when are you planning to travel?

USER: I have planned to travel on 04/21 and return on 04/23.

ASSISTANT: Thank you for your details, we found a flight 1009 in Spirit airline the price is 200 with one halt. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.