You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please assist me in cancel my recent reservation?

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

USER: Melissa Martinez.

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

USER: Sure.

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

USER: Ok, not an issue. Thank you.

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