Hello.
user
Hello, how can I serve you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, may I know your name please?
assistant
I am Jerry Phillips.
user
Sorry to say, there is no active reservation found in your name.
assistant
Ok, no problem.
user
Thank you for opting us.
assistant
Thank you for your information.
user