You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Due to sudden demise of my grandfather, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please provide your name to find your reservation.

USER: Matthew Turner is my name.

ASSISTANT: Sorry, we did not find any reservation on your name to cancel.

USER: Ok, thank you for quick response.

ASSISTANT: Thanks for contacting us.