You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, I will be happy to serve you. Can you please let me know your journey locations?

USER: My airport codes are LAS-ORD.

ASSISTANT: Kindly, mention your travelling dates?

USER: Dates are 02/02 and 02/04. I need direct flight.

ASSISTANT: Do you need any flag stop?

USER: I need only direct flight.

ASSISTANT: May I know your budget for flight ticket?

USER: Price should not cross 1000.

ASSISTANT: We found a direct flight with Delta airline of flight number 1002 with price 100. Shall I proceed with the booking?

USER: Go ahead.

ASSISTANT: May I know your name for further proceedings?

USER: Frank Wilson here.

ASSISTANT: Your ticket has been confirmed on name of  Frank Wilson.

USER: Thank you so much.

ASSISTANT: Thank you for communicating with us.