You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Jason Johnson here.

ASSISTANT: Sure, can I know your preferable dates?

USER: I need to book a flight ticket from Seattle. could you please help me with booking a flight ticket from SEA to DCA?

ASSISTANT: Ok, can I know your dates?

USER: Sure, I want to start my journey on 03/17 and return on 03/19.

ASSISTANT: I found a flight 1018 of JetBlue airlines matches with your preferences, can I proceed?

USER: Ok, you can proceed with that ticket booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help in booking my ticket for the flight 1018.

ASSISTANT: Thank you, have a good day.