You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance for you?

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

ASSISTANT: Sure, I am here to help you. Could you please provide your name to check your reservation status?

USER: My name is Eric Evans.

ASSISTANT: Ok, please hold on for a moment I will check your complete reservation details and proceed further with your cancellation.

USER: Sure, take your time.

ASSISTANT: Sorry to say, I did not find any active reservation on your name in my database.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.