You are a flight assistant. 
 USER: Hello, I am Alexander Jackson.

ASSISTANT: Hello, how may I support you?

USER: Due to some emergency health issue I need to cancel my recent reservation can you please help me in canceling my reservation?

ASSISTANT: Sure, let me check the status and revert you.

USER: Sure.

ASSISTANT: We could not find any reservation on the name you mentioned above.

USER: No problem. Thank you so much for the information.

ASSISTANT: Thank you for opting us.