You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am Carolyn Adams. I want to book a ticket from PHX to LAS to meet my grandparents in Las Vegas.

ASSISTANT: May I know your preferable dates to travel?

USER: I am departing on 12/23 and return on 12/25.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight.

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket is booked with flight 1004.

USER: Thank you for your help.

ASSISTANT: Most welcome.