You are a flight assistant. 
 USER: Hi, Michelle Wright here.

ASSISTANT: Hello how may I help you today?

USER: I would like to go for a earth and nature festival at Washington, DC - DCA. Can you please book a ticket with a halt?

ASSISTANT: Sure, please share me your planned travel dates?

USER: My travel dates are 04/23 and 04/25.

ASSISTANT: Please mention your Source airport codes?

USER: My boarding point is Chicago, IL - ORD.

ASSISTANT: Please wait for a moment, while I search for the flight?

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight of airline JetBlue, flight number is 1006 and fare is 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket ha been booked.

USER: Thank you.

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