You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I support you?

USER: I want to book a flight ticket, Can you help me out ?

ASSISTANT: Sure, Could you provide me your journey details?

USER: I want to travel from Chicago,IL-ORD on feb/15 to Atlanta,GA-ATL on feb/17.

ASSISTANT: For further process, Can you tell me your name?

USER: Sure, I am Margaret Williams.

ASSISTANT: One moment please, I will just check the availability of the flight.

USER: OK.

ASSISTANT: We found a ticket with your requested details, Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been confirmed. Details are : Flight number - 1000, airline -Spirit.

USER: Thanks for the information.

ASSISTANT: Thank you, Wish you a safe journey.