Hello.
user
Hello, how may I help you?
assistant
Can you help me in changing my existing reservation?
user
Sure, may I know your name please?
assistant
My name is Jason Phillips.
user
Ok, please wait, let me check your reservation.
assistant
Sure, I will wait for your information.
user
Sorry to inform you Jason Phillips, there is no active reservation found with your name in our records.
assistant
Ok, not an issue. Thank you for providing information.
user
My pleasure.
assistant