You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, due to some issues. Could you please help me?

ASSISTANT: Sure, can I know your name please?

USER: I am Dorothy Adams.

ASSISTANT: Sorry Adams, there is no reservation found on your name.

USER: Thank you for the information.

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