Hello.
user
Hello. How can I help you today?
assistant
Can you please help me in changing my existing reservation, as my health is not good?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Thank you for the response, my name is Robert Gonzalez.
user
 I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
Ok, not an issue. Anyways, thank you for the information.
user
Thank you for reaching us.
assistant