You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Jessica White. I want to book a ticket from MSP to DCA to attend seminar, can you help me in booking?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am departing on 06/07 and return on 06/09.

ASSISTANT: I am sorry, there are no reservations with your name. Thank you, have a good day.

USER: That's ok, thank you for your information.