You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Actually my Seminer conference is postponed, so that I want to cancel my recent reservation. Can you help me?

ASSISTANT: Ok, I will be glad to serve you with the concern. Please wait a moment I will check.

USER: Thank you.

ASSISTANT: In the mean while, may I know your name?

USER: Yes, I am Stephanie Williams here.

ASSISTANT: Thank you for waiting, I am sorry to inform that there are no reservation been found on your name in our records.

USER: Oh! that's fine, no problem. Anyway's thank you for your information.

ASSISTANT: Thank you for connecting with our agency.