You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Rachel Harris and I just want to cancel my recent reservation due to sudden demise of my great grand mother. Can you help me with this?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for choosing us.