Hello.
user
Hello, how may I oblige you today?
assistant
I am William Gonzalez. Owing to an emergency, I want to change an existing reservation. Could you please help me in changing the reservation?
user
Sure, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation found with your name to change.
assistant
Not an issue. Thank you.
user
Thanks for availing us.
assistant