Hi.
Hello, how can I serve you today?
Owing to an emergency, my scheduled interview at Microsoft has been cancelled. So I want you to cancel my existing  reservation?
Sure, please mention your good name.
Sure, I had a reservation with name Jennifer allen.
Ok, give me sometime to check and revert to you.
Sure.
Thank you for being wait. Unfortunately there is no reservation found by your name.
Not an issue. Thank you for your support.
Thank you for consulting us.