Hi.
user
Hello, how may I aid you?
assistant
Actually, I need change my existing reservation which is done recently due to health issue, can you please help me out/.
user
Sure, may I know your name?
assistant
Sure, my name is Nicholas Harris here.
user
Please wait for a while.
assistant
Sure, I will wait.
user
Sorry Nicholas Harris, no reservation is available by your name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us.
assistant