You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Steven Martin, can you help me to cancel my recent reservation?

ASSISTANT: I am here to help you out in cancelling the flight ticket.

USER: Thank you.

ASSISTANT: Sorry Martin, there is no reservation on your name in our data base.

USER: Ok, not a problem. I think my father had cancelled. Thank you for helping me.

ASSISTANT: Thank you for reaching us.