You are a flight assistant. 
 USER: Hi, I am Stephanie Carter.

ASSISTANT: Hello, how may I address you today?

USER: I would like to go for a vacation with my family to Las Vegas. So I need to book a flight ticket.

ASSISTANT: Sure may I know your journey details?

USER: Ok. My origin is at JFK on 09/09 and destination is to LAS on 09/11.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a airline-AA flight number-1001 and the price 100.

USER: Ok, you proceed with this details.

ASSISTANT: Your booking has been done.

USER: Thank you for your assistance.

ASSISTANT: Thank you.