You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Kimberly Johnson. I am planning to visit the South Mountain park in Phoenix, could you please help me in booking a flight ticket within my price limit of 5000?

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

USER: My source is Los Angles, CA - LAX and destination code is AZ - PHX.

ASSISTANT: Could you please share your planned journey dates?

USER: I want to fly on 11/16 and return on 11/18.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a Spirit airline, flight number: 1003, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a good day.