You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best aid you today?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me out?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: May I know your good name please to track the details?

USER: Sure, my name is Mary Nelson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a reservation found on your name, Are you sure shall I proceed for cancellation?

USER: Ok, please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us, have a nice day.