You are a flight assistant. 
 USER: Hello, I am Paul Lee.

ASSISTANT: Hello, how may I aid you at present?

USER: Please assist me to book a flight ticket from Houston to attend a robotic workshop at Minneapolis. Can you please assist me with this?

ASSISTANT: Sure, we are glad to help you for booking.

USER: Thank you.

ASSISTANT: Let me know your travelling airport codes.

USER: My boarding point is Houston, TX-IAH and my destination is Minneapolis, MN-MSP.

ASSISTANT: Ok, Can you please share your planned dates?

USER: I would like to start my journey on 04/21 and I intend to return on 04/23.

ASSISTANT: Ok, Do you prefer connected flight or direct flight?

USER: I need a break in between my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in 1025 Southwest airline with a connecting flight and the cost is 300. Shall I proceed for booking?

USER: Everything is perfect, please book my ticket.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for choosing our service.