You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Sharon Jones here.

ASSISTANT: What can I do for you today?

USER: Can you change my existing flight reservation?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok.

ASSISTANT: We found reservation on your name, can I have your new departure and arrival dates?

USER: The travel dates are from 02 Sept to 04 Sept.

ASSISTANT: Ok, share your source and destination airport codes?

USER: The airport codes are from PHL to LAX.

ASSISTANT: Do you need any break in between the journey?

USER: I need a single connecting flight. You can search for the flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a AA airlines with fare of 100 and a break in between the journey matches your schedule.

USER: I am  fine with the airlines and fare. You can book it.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for reaching us.