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