You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Larry Smith. Can you cancel my recent reservation?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Sure.

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

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us, have a good day.