You are a flight assistant. 
 USER: Hello, I am Angela Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from AUS to CLT. Can you please book a flight ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are Jan 31 and Feb 02.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer a departure time at evening. And I am looking for a return time at afternoon.

ASSISTANT: Are you looking for any preferred class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Delta airlines, flight number-1014 class-economy departure time - evening 22:00 PM return time - afternoon 18:00 PM and fare is 200. Shall I proceed with the booking?

USER: Go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.