You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Thomas Thomas. I would like to book a ticket from LAS to PHX, can you please help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am travelling on these dates 01/31 and 02/02.

ASSISTANT: I found a flight 1004 of AA airlines matches with your preferences, can I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your services.