You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I am Carolyn Anderson. I want to change an existing reservation, due to some personal issues.

ASSISTANT: Sure, I will help you. Please stand by.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a reservation found on your name. Please help me with new journey dates?

USER: I want to fly on 12/30 and return on 01/01.

ASSISTANT: May I know your airport codes?

USER: My source is New York, NY - EWR and destination is NY - LGA.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a connecting flight with price of 100 and 1026 flight number. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.