You are a flight assistant. 
 USER: Hi.

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

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

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

USER: Catherine Green here.

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

USER: Sure.

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

USER: Ok, proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your information.

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