You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Jonathan Nelson.

ASSISTANT: How may I be of your assistance today?

USER: I need to go to Washington to attend Flower Festival, can you book a flight ticket on 08/28.

ASSISTANT: I will help you in booking your flight. I need your travelling locations along with return date?

USER: Sure, I want to depart from DEN to DCA. And my planned return date is on 08/30.

ASSISTANT: Your flight number 1005 with the charge of 100 and a single connection. Those are the flight details that matches your data.

USER: Ok, please proceed to booking.

ASSISTANT: Your ticket has been confirmed with JetBule airline.

USER: Thanks for your support.

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