You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Could I have your name please?

USER: Myself Gary Wright.

ASSISTANT: Yes Gary, please tell us for what assistance you approached us?

USER: Actually, I told by bother to cancel my reservation which I had reserved to New York this week. Can you please check my reservation and cancel if it was not cancelled before?

ASSISTANT: Definitely, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, I'll wait for your response.

ASSISTANT: Thank you for waiting, there is no active reservation with your name in our portal to cancel further.

USER: I think my bother has done his job and thank you for your response. Have a nice day.

ASSISTANT: Thank you for opting us, have a great day.