You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: May I know your name please to check the status of your reservation?

USER: Emma Harris here.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.