You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, which service are you seeking for today?

USER: Can you please help me to cancel my reservation as I am unable to do it by myself?

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: My name is Nancy Davis.

ASSISTANT: Ok, Please allow me a moment to check for the previous reservation in our database.

USER: Sure, I am right here.

ASSISTANT: Thanks for remaining so positive, we are sorry to say that there is no active reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, wish you a great day.