You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Susan Turner. I would like to book a flight ticket from JFK to DCA.

ASSISTANT: Sure, can I know your preferable dates?

USER: I would like to start my journey on 06/26 and return back on 06/28.

ASSISTANT: I found a flight 1017 of UA airlines matches with your preferences, can I proceed?

USER: Ok, please proceed the booking process.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.