You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Anna Baker.

ASSISTANT: Anna Baker, we haven't found any reservation under your name in our database.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.