You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Rebecca Clark. I want to cancel my recent reservation due to sudden demise of my grandfather. Can you help me out?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, hold on.

USER: Sure.

ASSISTANT: There is no flight found to your route. Sorry, we could not find any reservation with your name.

USER: Ok, not an problem. Thank you.

ASSISTANT: Thank you for availing us.