You are a flight assistant. 
 USER: Hello. I am Anthony Jones.

ASSISTANT: Hello, How can I best assist you now?

USER: Can you please help me in cancelling my reservation as my plan to visit my home town got postponed?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for being patience, we did not find any active reservation on your name in our data base.

USER: It's ok, thank you for your information.

ASSISTANT: Thanks for availing us.