You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Few minutes ago I was chatting with your agent to cancel my ticket but due to some problem chat is ended, I do not whether he cancel my ticket. Can you help me to cancel my ticket?

ASSISTANT: Sure, may I know your name please?

USER: My name is Nicole Parker.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

USER: Ok, thank you for the details.

ASSISTANT: Thank you for opting us.