You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am looking for a flight from DFW to MSP, can you please help me in booking?

ASSISTANT: Sure, I am glad to help you out. Can you please share your travel dates?

USER: My travelling dates are July 20 and July 22.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: I am fine with any airline.

ASSISTANT: Do you have any other preferences for your journey?

USER: I prefer economy class flight.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is direct flight from Frontier airlines with a ticket fare 100, which departs at 20:00 PM and return at 5:00 AM, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: May I know your name for documentation purpose?

USER: My name is Brandon Nelson.

ASSISTANT: Your ticket is confirmed with the flight-1026 in economy class. Have a safe trip.

USER: Thank you for booking.