You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my recent reservation.

ASSISTANT: Sure, can I know your name please?

USER: Yes. My name is James Adams.

ASSISTANT: James can you please wait a moment?

USER: Sure.

ASSISTANT: Sorry there is no reservation found under your name.

USER: It's OK. Thank you for your response.

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