You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Christine Smith from Las Vegas. I want to go to Los Angeles next week for attending a business meeting there, can you please book a flight ticket from LAS to LAX?

ASSISTANT: Sure, please provide your planned journey dates.

USER: Thank you for accepting my request, I want to take off on 05/03 and book my return ticket also on 05/05.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Christine, I found a flight for you in UA airlines with fare 100. Shall I book your ticket?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1012.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.