You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Brenda Clark.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: It's alright, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your response.