You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me how may I guide you?

USER: I need to cancel my reservation due to my ill health. Can you please help me about that?

ASSISTANT: Sure, I am happy to help you to cancel your recent ticket. Can you please let me know your name?

USER: Thank you for considering my request. My name is Justin Allen.

ASSISTANT: Ok, please give me a minute. I will check your ticket status and get back to you.

USER: Sure.

ASSISTANT: I regret to inform you that, there is no active reservation found with your name to cancel the ticket.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us.