You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Green.

ASSISTANT: How may I aid you today?

USER: I want to cancel my recent reservation as my tour got cancelled. Please help m eout.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for availing us.