You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I want to cancel my recent  reservation due to sudden cancellation of my trip. Can you help me?

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

USER: Dorothy Turner here.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Ok.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: That's Fine, Thank you.

ASSISTANT: Thanks for approaching us, wish you a nice day.