Hello.
user
Hello. How may I help you?
assistant
I am planning to change an existing reservation, due to health issue.
user
Sure, I am glad to help you.
assistant
Thank you.
user
May I know your name?
assistant
My name is Jason Perez.
user
Sorry, there are no reservation found on your name.
assistant
That's fine, thank you for your service.
user
Thank you for choosing us.
assistant