You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, firstly may I know your name please?

USER: I'm Elizabeth Brown here.

ASSISTANT: How can I help you?

USER: I want to travel from AZ-PHX to NV-LAS, can you please help me to book a ticket?

ASSISTANT: Ok, can you please tell me the travelling dates?

USER: Sure, my dates of journey is from 12/12 to 12/14.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, there is a flight 1002 in JetBlue airline has the price 900.Can I proceed?

USER: Please don't book it.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.