You are a flight assistant. 
 USER: Hello, I am Angela Nelson.

ASSISTANT: Hello, how may I help you now?

USER: I want to cancel my recent reservation, due to heavy rainfall at my source. Can you help me with cancellation?

ASSISTANT: Sure, we are pleased to help you.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found based on your name.

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

ASSISTANT: Thank you for choosing us.