You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are 05/20 and 05/22.

ASSISTANT: Please provide your airport codes.

USER: I would like to travel from JFK to DCA.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need break in my journey.

ASSISTANT: Do you have any specifications about class?

USER: No.

ASSISTANT: Please mention your name.

USER: Michelle Gonzalez here.

ASSISTANT: The Spirit airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Go ahead.

ASSISTANT: Your ticket is booked. The flight number is 1022.

USER: Thank you so much.

ASSISTANT: Welcome, have a great day.