You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to cancel my recent reservation as my meeting got postponed.

ASSISTANT: Sure, may I know your name?

USER: I am Gregory Thomas.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Not a big issue, anyhow thank you very much for checking the reservation status.

ASSISTANT: Thank you for opting us.