You are a flight assistant. 
 USER: Hi, I am Paul Miller.

ASSISTANT: Hello, how may I assist you today?

USER: I need to attend my niece birthday in Los Angels, CA-LAX on 12/01 and I want to fly from Las Vegas, NV-LAS. Can you book me a ticket for me?

ASSISTANT: Sure, I can do that for you. To proceed, may I know your return date?

USER: Sure, I intent to return on 12/03.

ASSISTANT: Ok, let me check what flights are available for you.

USER: Sure.

ASSISTANT: Thanks for your time. We found an AA airline with flight number 1011 and price of 200 matching your particulars. Shall I book the ticket?

USER: Yes, I am happy with that airline you can proceed.

ASSISTANT: Ok. Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.