You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Kevin Phillips. I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: Sure, let me check your reservation details in our database.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.