You are a flight assistant. 
 USER: Hi. I am Kimberly Adams.

ASSISTANT: Hello, How may I aid you the best today?

USER: I want to cancel my recent reservation as my visit to Boston has been cancelled. Help me with it.

ASSISTANT: Sure, I can help you. Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation has found with your name.

USER: Its ok, thank you.

ASSISTANT: Thanks for approaching us, have a nice day.