You are a flight assistant. 
 USER: Hi. I am Mark Clark.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket to Las Vegas to attend my cousin's wedding. Can you please book a ticket on 11/26?

ASSISTANT: Sure, I will help you with booking. Please mention the airport codes?

USER: My origin is Austin, TX - AUS. My landing point is NV - LAS.

ASSISTANT: May I know when would you like to return from Las Vegas?

USER: I need to return on 11/28.

ASSISTANT: Do you need halt in between the journey?

USER: I need a break in between.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of Delta airline, flight number is 1013 and fare is 100. Shall I proceed with booking?

USER: Please reserve this.

ASSISTANT: Your fight ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.