Hello. I am Charles Hill.
user
Hello, how may I assist you today?
assistant
Owing to an emergency, I want to change an existing reservation. Could you help me in changing a reservation?
user
Please wait for a moment.
assistant
Sure.
user
Thank you for waiting, I regret that there is no reservation on your name.
assistant
Not an issue.
user
Thank you for availing with us.
assistant
Thank you.
user