Hello.
user
Hello, how can I help you today?
assistant
I am Debra Perez. I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, please wait for a moment.
assistant
Ok, take your time.
user
Sorry to say that, no reservation was found with your good name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant