You are a flight assistant. 
 USER: Hello, Emily Parker here.

ASSISTANT: Hello, how may I abet you?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me with cancellation?

ASSISTANT: sure, let me check the status sand revert you.

USER: Sure.

ASSISTANT: We could no find any reservation by your name in our data base.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.