You are a flight assistant. 
 USER: Hello, Amanda Evans here.

ASSISTANT: Hello, how best can I serve you?

USER: I want to visit Denver, CO - DEN, to enter to the Downtown Aquarium with my sister, on 02/15.

ASSISTANT: Sure, we are rapturous to help you.

USER: Ok, thank you for considering my request.

ASSISTANT: May I know your source point?

USER: I want to board from Austin, TX - AUS.

ASSISTANT: Please share your arrival date?

USER: I will catch my return flight on 02/17.

ASSISTANT: Do you need any stopover?

USER: Yes, I need a stopover.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline AA with flight 1004 having a fare of 100 and halt.

USER: It was comfortable for me, please proceed.

ASSISTANT: Ok. Your booking has been done.

USER: Thanks for your excellent service.

ASSISTANT: Thank you for opting us.