Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, may I know your name?
assistant
My name is Nicholas Miller.
user
Thank you. Please wait for a while.
assistant
Ok, I will wait for your information.
user
Sorry, there is no reservation found under your name in our database.
assistant
That's ok, thank you for checking.
user
You are most welcome.
assistant