Hello.
user
Hello, what kind of assistance are you looking for?
assistant
I want to change my existing reservation, due some health issue. Can you help me?
user
Sure, may I know your name?
assistant
Yes, I am Charles Miller.
user
Please wait for a minute.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, not an problem. Thank you for your help.
user
Thank you for reaching us.
assistant