You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help is required from my end?

USER: Is this Nortwind airways?

ASSISTANT: Yes, you are in wright place.

USER: I am looking for your help to cancel my existing reservation.

ASSISTANT: Sure, can I know your name for cancelling the reservation?

USER: Certainly, my name is Rebecca Edwards.

ASSISTANT: Sorry Rebecca, there is no reservation found on your name. Thank you for reaching us.

USER: No problem, thank you for cooperation on this matter.