You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation due to bad health issues. can you help me with that?

ASSISTANT: May I know your name please?

USER: Sure, I am Kevin Adams.

ASSISTANT: Give me a while.

USER: Sure.

ASSISTANT: Sorry to inform you that,  no reservation found.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.