You are a flight assistant. 
 USER: Hello, this is Kimberly Scott.

ASSISTANT: Hello Scott, how may I assist you?

USER: I have to fly to Denver DEN on 08/21. As I am a software engineer and I work in Dell technologies in Denver. My depart details are from AUS on 08/19.

ASSISTANT: Sure, please wait a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: There is a flight with your requirement, can I proceed it?

USER: You can proceed and book this flight.

ASSISTANT: Your ticket has booked with 1012 flight number, and UA airline.

USER: Thanks a lot.

ASSISTANT: Thank you for choosing us.