You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your good name to proceed further?

USER: Joseph Carter here.

ASSISTANT: Please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you.