You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Robinson here.

ASSISTANT: How may I assist you?

USER: I would like to visit Las Vegas, can you help me out in booking a flight ticket from DFW to LAS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My journey dates are start from 07/22 till 07/24.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I found a flight for you in JetBlue airlines with price 200. Can I book your ticket?

USER: Please proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you for helping me in booking.

ASSISTANT: Thank you for approaching us. Have a great day.