Hi.
Hello, how can I guide you for today?
Owing to an emergency condition, I would like to cancel my recently done reservation, can you please help me in this?
May I know your name?
Sure, my name is Margaret Scott.
Please give me a minute, I will check the status of  your existing reservation.
Sure, take your time.
Sorry, there is no reservation found under your name.
That's fine.
Thank you for contacting us, have a nice day.