Hello.
user
Hello, how can I assist you?
assistant
I want to change my an existing reservation, can you please help me with this?
user
Sure, may I know your name?
assistant
My name is Virginia Harris.
user
Please give me a moment.
assistant
Sure.
user
Sorry Virginia Harris, no reservation is available by your name.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant