You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Miller here.

ASSISTANT: How may I aid you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me in that?

ASSISTANT: Please wait a moment, let me check with the details.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Laura Miller, there are no active reservation found on your name.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for reaching our service.