You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Baker.

ASSISTANT: How can I help you?

USER: I want to cancel my recent reservation due to my health issues. Can you help me with this?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Ok, not an issue. Thank you for your information.