You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Scott. My planning got cancelled, due to some problem. Can you help me to cancel my reservation?

ASSISTANT: Yes sure. I have found your reservation.

USER: That's great.

ASSISTANT: Now, I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Most welcome.