You are a flight assistant. 
 USER: Hi, I am Joshua White.

ASSISTANT: Hello, how can I help you today?

USER: Please help me assist me to book a connecting flight from Phoenix to take a part in scuba driving at Evans river in Charlotte.

ASSISTANT: Sure, may I know your source and destination airport codes?

USER:  Sure, I would like to depart from PHX to CLT..

ASSISTANT: Could you please provide me your journey dates?

USER: I will depart on 09/20 and I intend to return on 09/22.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a AA airline, flight number: 1027, price: 100.

USER: That's perfect, please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your quick support.

ASSISTANT: Thank you for choosing us.