Hello, I am Sharon Green.
user
Hello, how may I aid you?
assistant
Owing to an emergency my plan for introducing a new product was postponed, So I want to change my existing reservation. Could you please help me in doing this?
user
Please wait a  moment.
assistant
Ok.
user
Sorry there is no reservation found on your name.
assistant
No problem, Thank you for your information.
user
Thank you for reaching us.
assistant