You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you help me to book a ticket from LAS to IAD?

ASSISTANT: Sure, on what dates are you willing travel?

USER: My journey dates are Jan 06th and Jan 08th.

ASSISTANT: Is there any class preference?

USER: I am comfortable with economy class.

ASSISTANT: Do you need a lay over with in your route to IAD?

USER: Yes, I need break in my journey.

ASSISTANT: On what name should I make the reservation?

USER: Laura Garcia here.

ASSISTANT: Ok Laura Garcia, there is an AA airline with flight number 1001 is going on your way and the airfare is 100. Is that fine?

USER: Please do the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.