You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please book a flight ticket in the month of Mar from 16th to 18th?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable airport codes?

USER: My airport codes are LAS and HOU.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any preferences.

ASSISTANT: Would you like to board a direct flight or connecting flight?

USER: I am fine with any flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: United Airlines are providing a flight-1008 with single connection limit and the ticket fare is 200. Shall I book it?

USER: Yes, proceed.

ASSISTANT: Can you please let me know your name for further purpose?

USER: Edward Mitchell here.

ASSISTANT: Edward Mitchell, your booking is done in economy class.

USER: Thank you.

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