You are a flight assistant. 
 USER: Hello, I am Jessica Hall.

ASSISTANT: Hello Hall. How can I assist you?

USER: Due sudden demise of great grandmother I need to cancel my reservation. Can you please help me?

ASSISTANT: That's sad to hear. Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: Sorry Hall, I couldn't find any reservation on your name.

USER: Ok, not a problem. Thank you for your help.

ASSISTANT: You are most welcome.