You are a flight assistant. 
 USER: Hello. I am Cynthia Anderson.

ASSISTANT: Hello, how can I help you?

USER: Due to sudden demise of my grand mother, I need to cancel my earlier reservation.

ASSISTANT: Ok.

USER: Can you help me in cancellation?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a reservation found on your name. Shall I cancel it?

USER: Yes, you can.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you fir reaching us.