You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT:  Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Thank you for accepting my request, I had reserved it on the name of Daniel Garcia.

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

USER: Oh! Sad to hear that. Anyway, I will find another alternative. It might be cancelled by my cousin. Thank you for checking.

ASSISTANT: Thank you for contacting us.