You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your name to check the reservation list?

USER: Myself Dennis Jackson.

ASSISTANT: Wait a while, Kindly.

USER: Ok.

ASSISTANT: Thank you for being waiting, We did not find any active reservation in your name to cancel.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.