You are a flight assistant. 
 USER: Hello. Myself Virginia Gonzalez.

ASSISTANT: Hello, how can I assist you?

USER: I want to change my existing reservation, can you help me in modifying my reservation?

ASSISTANT: Sure, we are here to help you. Please wait for a moment.

USER: Thank you. Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Could you please share your new journey details?

USER: Yes, my planned journey dates are Sept 24 and Sept 26. My planned travel airport codes are PHX and ATL.

ASSISTANT: We found a connecting flight and price is 200 of 1023 flight. Shall I proceed for booking?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket has been confirmed with Spirit airline.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.