You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to change my current reservation due to sudden change in my trip. Can you please assist me?

ASSISTANT: Sure, may I know your name please to check further?

USER: Linda Hill here.

ASSISTANT: Found reservation, please help me with your new airport codes.

USER: Ok, I have to visit PHX from DFW.

ASSISTANT: When are you willing to travel?

USER: My preferred dates are Sep 12th and return on Sep 14th.

ASSISTANT: Do you have any preferences for the journey?

USER: I need one connection between my trip.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1001 for fare 200, shall I proceed?

USER: Proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us and have a safe flight.