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, can I know your good name to proceed further?
assistant
Myself Brian Clark.
user
Please wait for some time.
assistant
Ok.
user
Sorry, no reservation is found on your given name.
assistant
Not an issue. Thank you.
user
Thanks for contacting us.
assistant