You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Linda Clark.

ASSISTANT: How can I support you today?

USER: I want to cancel my reservation, can you please help me with it?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Sorry, there is no reservation found on your name in our database.

USER: It's ok. Thank you for the information.

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