You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Donna Rodriguez. Please help me in cancelling my recent reservation?

ASSISTANT: Sure, please wait a moment I will cgeck your details and.

USER: Ok, sure take your own time.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.