You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I assist you?

USER: I am Christine Perez. I need a flight from Dallas & Fort Worth, TX-DFW to Las Vegas, NV-LAS.

ASSISTANT: Ok, could you share me your dates of travelling?

USER: Departure date is 03/03 and intended return date will be 03/05. I need direct flight.

ASSISTANT: Ok, give me a moment. I will get back to you.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a price of 800 and it is a direct flight. Can I proceed to booking?

USER: Please let me know flight number?

ASSISTANT: The flight number is 1012 of Delta airlines.

USER: Please book a flight.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us.