You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you out. May I know your name please?

USER: Sure, my name is Lisa Evans.

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

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for choosing us.