You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from DEN to AUS?

ASSISTANT: Sure. Please provide your travelling dates.

USER: Sure, I want to travel on May 6 and need to return on May 8.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any specification?

USER: I need a flight with single stopover.

ASSISTANT: May I know your name?

USER: Myself Ashley Lopez.

ASSISTANT: Found flight with American airlines for price 100. Shall I book a ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked in an economy class having flight number 1029.

USER: Thank you.

ASSISTANT: Thank you. Have a nice day!.