You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Dorothy Campbell.

ASSISTANT: Wait a while, kindly.

USER: Sure.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.