You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Smith.

ASSISTANT: How may I help you? Nice to meet you James.

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I will help you with the cancellation of flight reservation. Please wait.

USER: Thank you.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Sure, I will wait for your response.

ASSISTANT: There is no flight reservation on your name to cancel it.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.