Hello.
Hello, how can I assist you at this moment?
Please change my existing reservation due to some health issues?
Sure, I am happy to help you with this flight ticket booking. Can I have your good name please?
Sure, I am Mark Campbell.
Ok, please wait a moment.
Sure.
Sorry Mark Campbell, no reservation has found under your name to change.
Ok, not an issue. Thank you for your information.
Thank you for choosing us, have a good day.