You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I provide assistance for you?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, may I know your good name?

USER: I am Nancy Perez.

ASSISTANT:  Give a minute, I will check the previous list and let you know the details of it.

USER: Sure.

ASSISTANT: No reservation found on your name.

USER: Thank you.

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