Hello.
user
Hello, how can I aid you?
assistant
Can you please help me to change my existing reservation?
user
Sure, I am here to help you. May I know your name to check with existing reservation?
assistant
Myself Andrew Campbell.
user
I am sorry to say you that there is no reservation found under your name in our database.
assistant
Ok, not an issue. Thank you for checking.
user
Thank you for opting us.
assistant