You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Anna Mitchell.

ASSISTANT: Glad to meet you Anna.

USER: May I know if it is possible to cancel my flight ticket which I did recently?

ASSISTANT: Sure, hold on for a moment. Let me check whether the ticket has been reserved on your name.

USER: Ok, thank you for your help. I will wait.

ASSISTANT: Sorry Anna, there are no flight reserved on your given name.

USER: That's ok, I did not seen my mails. So I don't know. Thank you for the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.