Hello.
Hello. How may I help you at this moment?
I am George Anderson. Due to my health problem I want to change my reservation, can you please help me that?
Sure, I am here to help you Anderson, please wait for a minute to check the reservation details in our database.
Sure, I will wait for your response.
Sorry, based on your request I could not find any reservation with your name in our database.
Ok, no problem. Thank you.
My pleasure, have a nice day.