You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: Amy Brown.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: Amy Brown, there is no reservation found under your name.

USER: Not an issue. Thank you.

ASSISTANT: You are welcome. Thank you for contacting us.