Hello.
Hello. How can I help you today?
I am Alexander Hernandez. I want to change my existing reservation, due to some health issue. Can you please help me with that?
Sure, I will help you to change your reservation.
Thank you.
Please allow me a moment.
Ok, I will wait for your information.
Sorry, no reservation found on your name to change your reservation.
That's ok, no problem. Anyway thank you for your information.
Welcome, have a nice day.