You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am planning for vacation to Denver, DEN. So please help me to book a flight ticket from AUS.

ASSISTANT: Sure, can you please mention your preferable dates of your vacation?

USER: My dates of travelling are 06/24 and 06/26.

ASSISTANT: Here is a flight for you as per your requested dates with 1 connection limit, shall I proceed for the booking?

USER: Yes, please book the ticket with name William Williams.

ASSISTANT: Sure, flight 1026 costing 200 from airlines Frontier has been confirmed on your name.

USER: Thank you so much for spending your valuable time for me.

ASSISTANT: My pleasure, have a safe journey.