Hello.
user
Hello. How can I assist you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, may I know your name to check for the previous reservation?
assistant
Carolyn Collins here.
user
Please allow me a moment.
assistant
Ok.
user
Carolyn Collins, there is no reservation found under your name.
assistant
That's ok, no problem.
user
Thank you for contacting us.
assistant
Thank you.
user