You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Rodriguez.

ASSISTANT: How may I aid you?

USER: Can you please help me in flight ticket booking from Los Angeles to reach Washington?

ASSISTANT: Sure, I am here to help you out. May I know your origin and destination airport codes please?

USER: Thank you. The origin and destination airport codes are LAX and DCA.

ASSISTANT: May I know your travelling dates please?

USER: The departure and arrival dates are 03/31 and 04/02.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: That's perfectly matching to my requirements, please proceed with ticket booking.

ASSISTANT: Your ticket is booked with the flight-1024.

USER:  Thank you for helping me.

ASSISTANT: Thank you for reaching us.