Hi.
user
Hello.
assistant
Myself Charles Edwards.
user
How can I help  you today?
assistant
Owing for an emergency, I want to cancel my reservation. Can you do that for me?
user
Sure, I will help you with this. Please wait for a moment.
assistant
Sure.
user
Sorry, no reservation is found on your name.
assistant
Not an issue, anyway thank you for checking.
user
You are welcome.
assistant