You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this minute?

USER: Due to some personal issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you with that. May I know your good name?

USER: My name is Carolyn Hernandez.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.