You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to some family problems. Can you please help me with this?

ASSISTANT: Sure, I am happy to help you. May I know your name?

USER: Sure, I am Kimberly Nelson.

ASSISTANT: Thank you. Please be online for a while. I will check your reservation status and get back to you.

USER: Sure.

ASSISTANT: I am sorry to say you that there is no reservation found under your name in our database.

USER: Ok, no problem.

ASSISTANT: You are welcome and have a nice day.

USER: Thank you for the information.