Hi.
Hello, How exactly I can serve you the best today?
I want to change my reservation due to health problem, can you help me?
Sure, I am here to help you. Let me know your name to check your reservation?
I am David Garcia.
Ok, please wait a moment.
Sure.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
No problem, thanks for checking.
Thank you for choosing us.