Hello.
user
Hello. How can I aid you?
assistant
Due to some issues, I would like to change my reservation. Can you help me in changing the reservation?
user
To check whether there is any reservation on your name, can you know your name?
assistant
Please, check the details on Edward Nelson. That's ok. Thank you for your information.
user
Sorry, Edward there is no reservation under your name.
assistant
Thank you.
user
Most welcome.
assistant