You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I have booked a flight ticket in your agency for my holiday trip to New York but now I want to get it cancelled. So can you go ahead and cancel my flight ticket?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: I am Jeffrey Martinez.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: Not a problem.

ASSISTANT: Thank you very much for approaching our agency.

USER: Thank you.

ASSISTANT: You are most welcome.