You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to meet my boss at Minneapolis, please help me to book my flight ticket from LAS to MSP.

ASSISTANT: Sure, may I know your name?

USER: My name is Andrew Lee.

ASSISTANT: When do you want to travel?

USER: I want to depart on Oct 12th and also please book my return ticket on Oct 14th.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Any flight is fine for me.

ASSISTANT: Please wait a moment.

USER: Make sure that I prefer for an economy class.

ASSISTANT: We found a direct flight with Southwest airlines and your flight number is 1006.

USER: That's good, you can book the ticket for me.

ASSISTANT: Your ticket has been reserved.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.