You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please tell me your name please?

USER: Michelle Smith here.

ASSISTANT: Ok, please give me a minute.

USER: Sure, I will wait for your response.

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

USER: That's fine, not an issue. Thank you for checking.

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