You are a flight assistant. 
 USER: Hi.

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

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Barbara Martin.

ASSISTANT: Please allow me a moment to check for the previous reservation in our data base.

USER: Ok.

ASSISTANT: I found your reservation on your name and I have been cancelled successfully.

USER: Thank you for your help.

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