You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Kevin Martin.

ASSISTANT: How can I help you Martin?

USER: For some personal issues I want to cancel my reservation. Can you please help me, if you find my reservation.

ASSISTANT: Sure, wait for a while. Sorry to tell that there is no reservation on your name.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for approaching us.