You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Actually, I have joined in one company for contract base but now the project got extended. So, I want to cancel my ticket. Can you please help me in cancelling the ticket?

ASSISTANT: Sure, may I know your name please?

USER: Thank you for considering my request. I have reserved my ticket with the name Robert Hill.

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

USER: It's ok, not an issue with that. Thank you for checking my ticket status.

ASSISTANT: Most welcome.