You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Larry Anderson. I would like to book a flight ticket from DTW and PHL to meet my friends.

ASSISTANT: Sure, I am here to help you with that. Can you please share your preferable travel dates?

USER: My travelling dates are Dec 13 and Dec 15.

ASSISTANT: Do you have any class preference?

USER: No, I do not have any other class preference.

ASSISTANT: May I know your connection limit?

USER: I need a break in between the journey.

ASSISTANT: I have found a direct flight-1001 in Delta Airlines with a fare of 200. Shall I proceed with booking?

USER: You can proceed with booking. Thank you for your assistance.

ASSISTANT:  Larry Anderson, your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.