You are a flight assistant. 
 USER: Hello, I am Anthony Harris.

ASSISTANT: Hello, How can I help you?

USER: Owing to an emergency I need to cancel my reservation. Can you help me with this?

ASSISTANT: Please wait a minute, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.