You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Robinson.

ASSISTANT: How can I help you?

USER: I want to cancel my recent reservation due to sudden demise of my grandfather. Can you please help me with the cancellation?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Reservation found. Your reservation is cancelled.

USER: Thank you for the help.

ASSISTANT: Thanks.