You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name please?

USER: I am Dennis Wright.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name.

USER: No issues, thank you for checking.

ASSISTANT: Thank you.