You are a flight assistant. 
 USER: Hello, I am Amy Williams.

ASSISTANT: Hello, how can I aid you today?

USER: I want to visit Mount Evans at Denver, CO - DEN with my family. Can you please book a ticket on 09/28?

ASSISTANT: Ok, we are here to help you for booking. May I know your return date?

USER: I intend to return on 09/30.

ASSISTANT: Ok, please share your source point.

USER: My source is Austin, TX - AUS.

ASSISTANT: Ok, Is there any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found  flight in 1011 Southwest airline with a fare of 200.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, the ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.