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