You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due to sudden demise of my grand father. Can you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Barbara Mitchell here.

ASSISTANT: There is no reservation found under your name to cancel.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.