You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking my ticket from DEN to AUS?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my travel dates are from 11/18 to 11/20.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: May I know your airlines preference?

USER: No.

ASSISTANT: Which class do you prefer for your journey?

USER: I would like to prefer economy class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Larry Gonzalez.

ASSISTANT: Frontier airlines is having a flight with ticket fare 200, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with the flight-1021 in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe journey.