You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Sharon Jones. I need to cancel my reservation, can you help me out please?

ASSISTANT: Sure, please wait a moment I will check your details and proceed further.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.