You are a flight assistant. 
 USER: Hello, I am Rachel Davis.

ASSISTANT: Hello, how can I assist you today?

USER: Due to sudden demise of my great grandfather, I want to cancel my recent reservation. Can you assist me with that?

ASSISTANT: Sure, we are here to help you. Please wait for a while, I will check the status and revert you.

USER: Sure.

ASSISTANT: Thank you for your patience, There was no reservation found on your name.

USER: Ok, not an issue. Thanks for your valuable information.

ASSISTANT: Thank you for choosing us.