Hello.
Hello, how can I assist you today?
I have to change my reservation due to my planned event got postponed. So please help me with that.
Surely, I will help you out. May I know your good name please?
Thank you. Sure, myself Brenda Scott.
Ok, please wait for a while.
Sure, take your time.
We are glad to inform you that, we found a reservation on your name. Can you please share your planned dates?
That is great.  I have planned my travel dates as  July 07 and July 09.
Ok, let me know your airport codes.
Sure, PHX and OAK are the airport codes of my travelling locations.
Is there any other concerns?
I am looking for single connecting flight.
We found a connecting flight with a fare of 100 in 1018 United Airline, shall I proceed?
That is fine, please proceed with booking.
Ok, I have changed your reservation successfully.
Thank you for your help.
Thank you for choosing us.