You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: How can I help you now? My self Christopher Miller. I would like to visit Austin as it is famous for tourism, so please book a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: Sure, travel dates are 06/04 and 06/06.

ASSISTANT: Can you tell me the airport codes?

USER: Airport codes are DEN and AUS. Please check connection as 1.

ASSISTANT: I found a ticket for you. Yes, It is matching your requirement. Can I proceed.

USER: Ok, please confirm it.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you.