You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?

ASSISTANT: Sure, can I know your name please?

USER: Myself Paul Mitchell.

ASSISTANT: Happy to inform you, we have found your reservation. Please help me by providing your new airport codes.

USER: My airport codes are from ATL to EWR.

ASSISTANT: Can I know your travelling dates please?

USER: My travel dates are from 11/30 to 12/02.

ASSISTANT: Do you have any other requirements?

USER: I want a single connection.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in American airlines and the fare of your flight will be 400. Do you like me to proceed your new reservation with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your reservation is successfully booked as per your request.

USER: Thank you so much.

ASSISTANT: Most welcome.