You are a flight assistant. 
 USER: Hello, I am Gary Allen.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my recent reservation due to cancel of my conference.

ASSISTANT: Sure, we are here to help you to cancel your recent reservation. May I know your name?

USER: Already I provided.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for availing our service.