Hello.
user
Hello. How can I help you?
assistant
I am Deborah Harris. I want to change my existing reservation, due to some health issue. Can you please help me?
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Give me a moment. Sorry, there is no reservation found on your name to change your reservation.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant