You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Kimberly Lee. I have planned to attend a secret meeting at Oakland CA-OAK, help me in booking my flight ticket from Phoenix AZ-PHX.

ASSISTANT: Sure, can I know your journey dates?

USER: My journey dates will be 11/21 to 11/23.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight on AA airline, flight number as 1000 with the price of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.