You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Actually my Tennis competition is postponed, so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, I am gleeful to help you in flight ticket cancellation. May I know your name please?

USER: Sure, I am Virginia Allen.

ASSISTANT: There is no reservation found for the user name which you have provided.

USER: That's ok, I will find any other way.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your information.

ASSISTANT: You are most welcome.