You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Kathleen Roberts.

ASSISTANT: How can I help you?

USER: Can you help me in booking a flight ticket from ATL to MSP?

ASSISTANT: Let me know your travelling dates.

USER: I want to travel on 08/25, and need to catch return flight on 08/27.

ASSISTANT: Do you have any specifications?

USER:  Make sure to check a flight with in a price limit of 500.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100. Shall I book a ticket?

USER: Proceed with the booking.

ASSISTANT: Ticket is booked having flight number 1006.

USER: Thanks for the help.

ASSISTANT: Thank you.