You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to book a flight ticket from DFW to MSP.

ASSISTANT: Sure, please share me your trip dates.

USER: My travel dates are 31 May and 02 June.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: I am Brian Johnson.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: There is a direct flight 1028 in United Airlines at the price of 200 with economy class. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.