Hello.
user
Hello, how can I help you today?
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 to check further?
assistant
Sure, my name is David Allen.
user
Please wait.
assistant
Sure.
user
Sorry, no reservation found with your name in our portal to change it.
assistant
That's ok, thank you for checking.
user
Thank you for contacting us.
assistant