You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Taylor.

ASSISTANT: How could I help you Taylor?

USER: As my grandfather passed I want to cancel my reservation. Can you please help me out?

ASSISTANT: Oh! so sad, I can help you Taylor. Please wait for a moment to check it. Sorry Taylor, we cannot found any bookings on your requested name.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for approaching us, have a great day.