You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please reserve me a flight ticket from DCA to DFW.

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

USER: My travel dates are Nov 24 and Nov 26.

ASSISTANT: Do you have any connection limit?

USER: Yes, my connection limit is 1.

ASSISTANT: May I know your class preference?

USER: I would like to prefer economy class.

ASSISTANT: Do you have any other requirements?

USER: I don't have any requirements.

ASSISTANT: May I know your name to proceed further?

USER: My name is Brenda Phillips.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a direct flight from Spirit airlines with a ticket fare of 200, which departs at 19:00 PM and returns at 12:00 PM, shall I proceed with booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is confirmed with the flight-1000 in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe trip.