Hello.
Hello, how can I help you?
I am Sandra Parker. I want to change my existing reservation due to postpone of my exams. Can you help me in that?
Sure, I am here to help.
Thank you.
Please wait while I fetch your current reservation.
Ok.
We have found your reservation, please share your new airport codes.
My airport codes are LAX to IAH.
Please share your updated  travelling dates.
I will fly on Jan 17 and return on Jan 19.
Do you have any other preferences?
I need a connecting flight.
We have a flight from UA airline, number 1013 and the price is 100. Shall I proceed with the booking?
You can proceed.
Your ticket booking is done in economy class.
Thank you for your service.
Thank you for opting us.