Hello.
user
Hello. How can I assist you?
assistant
I am Donna Nelson. I am planning to change an existing reservation, due to some urgent work. Can you please change my reservation?
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your name to change your reservation?
assistant
That's fine. Thank you for your service.
user
Thank you for reaching us.
assistant