Hello.
user
Hello. How may I help you?
assistant
I want to change an existing reservation. Can you please help me out?
user
Sure, would you please provide your name to check the details of your reservation?
assistant
My name is Kathleen Campbell.
user
OK, please wait a moment.
assistant
Sure.
user
Sorry for the inconvenience, no reservation found on your name.
assistant
OK, thank you for your information.
user
You are welcome. Have a nice day!.
assistant