Hello.
user
Hello, how may I serve you at this moment?
assistant
I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, we are here to help you.
assistant
Thank you.
user
May  I know your name please?
assistant
My name is Jerry Moore.
user
Ok, please be on hold.
assistant
Sure, I will wait for your response.
user
Sorry, we could not find any reservation on your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant