You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best assist you now?

USER: Angela Nelson here, due to an emergency I need to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I am happy to help you. Please wait for a while, I will check the reservation list and revert you.

USER: Sure.

ASSISTANT: Sorry to notify that there is no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks for choosing us and have a nice day.