You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you at this moment?

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

ASSISTANT: Sure, may I know your name to check the current status?

USER: Dorothy Hill here.

ASSISTANT: Please wait a minute.

USER: Okay.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: No issue. Thanks for the help.

ASSISTANT: Thank you for contacting us.