You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy King.

ASSISTANT: How can I help you?

USER: I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Sorry, there are no reservation found on your name. Have a nice day.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.