You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, In what way shall I assist you for the day?

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

ASSISTANT: Sure, can I know your good name please?

USER: I am Sarah Robinson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.