You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua Green.

ASSISTANT: How may I assist you?

USER: Could you please book a flight ticket to MSP from IAH?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travel dates are Mar 16 and Mar 18.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your departure and arrival timings?

USER: I want to return in the evening.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Ok, proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.