You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure, I will wait.

ASSISTANT: Sorry Paul Miller, no reservation has found under your name to cancel.

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

ASSISTANT: Thank you for choosing us, have a good day.