You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Kimberly Hall here. I want to meet my parents at Houston. So please book my ticket from Las Vegas.

ASSISTANT: Sure, can you please provide me your nearest airport codes?

USER: My origin and destination airport codes are LAS and HOU.

ASSISTANT: May I know your travel dates to proceed further?

USER: My itinerary dates are 03/04 and 03/06.

ASSISTANT: UA airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Please book my ticket.

ASSISTANT: Kimberly Hall, your ticket is booked with flight number 1011.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a safe journey.