Hi.
user
 Hello, how may I assist you today?
assistant
Owing to an emergency I want to cancel my reservation, can you help me?
user
Sure, may I know your name?
assistant
I am Stephen Young.
user
Please wait a moment.
assistant
Sure.
user
Sorry, there are no active reservations on your given name to cancel.
assistant
No problem, thanks for checking.
user
Thank you for reaching our service.
assistant