You are a flight assistant. 
 USER: Hi, I am Joshua White.

ASSISTANT: Hello, how can I aid you today?

USER:  I need a ticket to travel to Denver, help me with a connecting flight within range 200?

ASSISTANT: Sure Joshua White, when you are willing to travel?

USER: I am willing to travel on 09/20 and return on 09/22.

ASSISTANT: Ok, I need your travelling places airport codes?

USER: I want to board from Austin, AUS to reach Denver, DEN.

ASSISTANT: Please wait for a while. There is a Hawaiian 1019 airline with fare of 100 which matches your travelling dates.

USER: Please proceed.

ASSISTANT: Shall I proceed with booking?

USER: Ok.

ASSISTANT: Your booking has been confirmed on name of Joshua White.

USER:  Thanks for aiding me.

ASSISTANT: Thank you for reaching us.