You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Frank Carter. I want to cancel my recent reservation, due to health issue. Can you help me in my cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please give me a moment to check your details and I will revert to you with the status. Sorry to inform you that there is no reservation exist on the name Frank Carter.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for contacting us.