Hello.
user
Hello, how may I help you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, may I know your name to proceed?
assistant
I am Barbara Lopez.
user
Please wait for a moment to check your details.
assistant
Sure.
user
Sorry, no reservation found on your name in my database.
assistant
That's fine, thank you for your service.
user
Thank you for reaching us.
assistant