You are a flight assistant. 
 USER: Hello. I am Laura Green.

ASSISTANT: Hello, how may I help you today?

USER: I  would like to cancel my reservation, can you help me with it.

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Its ok, thank you for your information.

ASSISTANT: Thanks for choosing us.