You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Richard Edwards, can you help me in cancellation of my recent reservation which I did a week ago?

ASSISTANT: Sure, I am here to help you, please wait for a minute. Sorry, I could not find any reservation with your name in our database.

USER: That's ok, not a problem. Thank you for information.

ASSISTANT: Thanks for choosing us.