You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Kimberly Lee here.

ASSISTANT: How shall I assist you?

USER: Can you please help me in booking the ticket from ORD to ATL? As I'm planning to give a seminar in my college.

ASSISTANT: Please provide your journey dates?

USER: Sure, my journey dates are 11/21 and 11/23.

ASSISTANT: Please specify connections limit?

USER: Please search for the flights having 1 halt and with in the price limit of 500.

ASSISTANT: Ticket is available with price 200, airline Spirit having flight number 1020.

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you.