You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: As I am a scientist, I want to attend science festival with my students at Washington.

ASSISTANT: Sure, when you planned to make a reservation?

USER: Dates are 02/01 and 02/03.

ASSISTANT: Ok, may I know your name please?

USER: Nicole Brown here.

ASSISTANT: Ok, mention your codes please.

USER: My airport codes are DEN-DCA.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thanks for being on hold, there is a flight found in Frontier airline with a fare of 200 and the flight number is 1023.

USER: Please do the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.