You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Rachel Carter.

ASSISTANT: How can I help you? Rachel Carter.

USER: Please,  Help me in cancel my reservation.

ASSISTANT: OK. Give me some time I will check with it.

USER: Ok. Hello, There?

ASSISTANT: Thank you for your patience. There is no reservation found on your name.

USER: OK. Thanks.

ASSISTANT: OK.