You are a flight assistant. 
 USER: Hello, I am Nicole Garcia.

ASSISTANT: Hello,. How shall I help you?

USER: I need to attend my last semester exam on 03/24. Can you please book me a flight ticket?

ASSISTANT: In order to book flight ticket, please provide travelling codes?

USER: Sure, my travelling codes are from Phoenix, AZ - PHX to Atlanta, GA - ATL.

ASSISTANT: May I know your return date?

USER: I need to return on 03/26.

ASSISTANT: Flight ticket with price 100, airline Frontier, with connections 1, flight number 1000 can be booked.

USER: Ok, please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thanks.