You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need your help to book a ticket to go for a round trip to Las Vegas, LAS with my parents. Will you help me in this with the name of Donna Turner?

ASSISTANT: Sure, I can help you to make your journey easy.

USER: Thank you.

ASSISTANT: On which dates you are willing to travel?

USER: I am willing to travel on the dates of 02/29 and 03/02.

ASSISTANT: How much budget you can spend for your ticket?

USER: I can afford up to 200.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Preference is to have a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight in Southwest airline which is matching perfectly to your requirements.

USER: Ok.

ASSISTANT: Shall I proceed to book?

USER: Please share the flight details.

ASSISTANT: Ok, Airfare : 100, Connections : 01 and flight number : 1021.

USER: Fine, proceed with booking.

ASSISTANT: Ok, your booking is successful.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us, have a safe journey with Southwest airline.