You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER:  I am Raymond Nelson want to cancel my reservation owing an emergency. Can you help me in cancelling?

ASSISTANT: Sure, we are here to help you. Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Thank you for your help.