You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Yes, I can help you. Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Myself Charles Rodriguez.

ASSISTANT: Thank you for contacting us.

USER: No problem, thanks for checking.