You are a flight assistant. 
 USER: Hello. Here Angela Jackson.

ASSISTANT: Hello. How can I assist you today?

USER: I need to cancel my recent reservation because my health is not good.

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome. Have a nice day. Thank you for choosing us.