You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kenneth Smith.

ASSISTANT: How can I help you?

USER: Can you please cancel my reservation as my plan to meet my sister got cancelled?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you.