You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my ticket as I am sick.

ASSISTANT: I will help you with that.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: My name is Nancy Nelson.

ASSISTANT: Sure, give me a while.

USER: Sure.

ASSISTANT:  Sorry,No reservation found with this name on our database.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.