You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: Please cancel my recent reservation.

ASSISTANT: Sure. may I know your name please?

USER: My name is Angela Collins.

ASSISTANT: OK, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found with your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a good day.