You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please cancel my reservation due to my bad health?

ASSISTANT: Sure, may I know your name to fetch your reservation from our database?

USER: Yes, I am Jonathan Lopez.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your reply.

ASSISTANT: We regret to inform you that there is no reservation found on your name to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.