Hello.
user
Hello, how may I oblige you today?
assistant
 Owing to an emergency, I want to cancel my reservation. Can you please help me with that?
user
 Sure, may I know your good name?
assistant
Rachel Hall here.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Thank you.
user
Thank you for choosing us.
assistant