You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Clark.

ASSISTANT: How can I help you?

USER: I want to have a reservation with the flight to Las Vegas which is rich for it's arts and culture. So, I am willing to have a trip in the month of March. Can you please help me in booking my flight ticket from Washington?

ASSISTANT: Sure, may I know your airport codes please?

USER: Thank you for reacting positively. My airport codes are DCA and LAS respectively.

ASSISTANT: May I know your travel dates please?

USER: Sure, my travel dates are 03/13 and 03/15.

ASSISTANT: There is a flight with single connection, can I proceed for booking in Jet blue airlines?

USER: Yes, do proceed with the booking.

ASSISTANT: Your booking is done in 1014 flight.

USER: Thank you for booking my flight ticket with the JetBlue airlines.

ASSISTANT: Thank you for choosing us.