You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I'll try to help you in cancellation. May I know your name to check the reservation list?

USER: Myself Patricia Wilson.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.