Hello.
user
Hello, how can I help you today?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, I am here to help you. May I know your name please?
assistant
Myself Christine Walker.
user
Thank you. Please wait for a while, let me check your reservation status.
assistant
Ok.
user
Sorry, I did not find any reservation by your name in our database.
assistant
Not an issue. Thank you.
user
Thank you for reaching us, have a good day.
assistant