You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me to cancel my reservation due to an emergency?

ASSISTANT: Yes, can you share me your name?

USER: Charles Martin here.

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

USER: No issue, thank you.

ASSISTANT: Thank you for contacting us.