You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Johnson.

ASSISTANT: How can I assist you today?

USER: I have reserved a flight ticket in the past month to attend a client meeting but suddenly there is an issues in my home town, can you please help me in cancelling my flight ticket?

ASSISTANT: Sure, will you please give me a moment?

USER: Thank you and take your own time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, that's not a problem. I can book a flight ticket again that the previous booking is not done I think. Thank you for your quikc help.

ASSISTANT: Welcome, have a great day.

USER: Welcome.