You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: My father want to go to Oakland, OAK. so please help me to book a flight ticket to him from AUS.

ASSISTANT: Ok, what will be your travel dates?

USER: My travel dates are 03/24 and 03/26.

ASSISTANT: A flight by Frontier airlines is available for your request, shall I book it?

USER: Yes, please.

ASSISTANT: What is your name, I need it for documentation purpose and also for booking your ticket.

USER: I am Dennis Young.

ASSISTANT: Dennis Young, good name. Keep reaching us whenever required. You are welcome.

USER: Sure, I am happy to reach your service again in future. Thank you for helping me.