You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: I need to change my existing reservation, Can you please help me with that?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Joseph Hill here.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name. Can you please help me with your new dates?

USER: I would like to travel on 06/05 to return on 06/07.

ASSISTANT: Ok, please share your airport codes.

USER: My source point is PHX to destination point is BOS.

ASSISTANT: Is there any other specifications?

USER: I need a connecting flight.

ASSISTANT: As per your information, we found a connecting flight with a fare of 200 in 1016 Spirit Airline.

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket has been changed.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.