You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a flight ticket from DTW to ATL to meet my friends. Could you please help me with booking a flight ticket?

ASSISTANT: Can I know your travelling dates?

USER: Sure, my travelling dates are Dec 8 and Dec 10.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Let me know your name.

USER: I am Ryan Johnson.

ASSISTANT: Found ticket with airline Spirit for price 100 having flight number 1007.

USER: You can proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you.