You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Parker.

ASSISTANT:  How can I assist you?

USER: I want to cancel my recent reservation, can you help me with it?

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: Its ok, thank you.

ASSISTANT: Thank you for availing us.