You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Robert Jones.

ASSISTANT: How can I help you out?

USER: Please, help me in cancelling my reservation as trip has been cancelled.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

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

USER: Ok. Thank you.

ASSISTANT: Thank you.