You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing for an emergency, I want to cancel my flight reservation as I am unwell, can you please help me?

ASSISTANT: Sure, I am here to help you. Can you please tell me your name?

USER: My name is Amy Perez.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

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

USER: Not an issue. Anyway, thank you for checking.

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