You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel the reservation which I had done recently?

ASSISTANT: Sure, I will help you with the cancellation of flight ticket reservation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Ok, please check for the name Gary Allen.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: That is not a problem, may be my brother had cancelled the ticket.

ASSISTANT: Thank you.

USER: Anyways thank you for providing the information.