You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Emma Mitchell, I want to cancel my reservation as my brother met with an accident. Can you please help me?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: No problem. Anyway, thank you.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.