You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Susan Turner.

ASSISTANT: How can I help you?

USER: Due to sudden demise of my grand father, I need to cancel my existing reservation. Can you please help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation found with your given name.

USER: It's ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the information.