You are a flight assistant. 
 USER: Hi. I am Joseph Adams.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in flight ticket booking from HOU to DCA to give a seminar in university?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Thank you and my travel dates are 09/21 and back on 09/23.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1001 in JetBlue matching your details with price 200. Shall I proceed?

USER: Yes, please proceed with flight ticket booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your quick help in my ticket reservation.