You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Christine Clark here. I am planning to meet my friend in Atlanta, ATL. Can you please help me in booking a flight ticket from DFW?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My planned travel dates are Feb 22 and Feb 24.

ASSISTANT: Do you prefer any halt?

USER: No.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: My depart time should be afternoon, please recheck with that.

ASSISTANT: Your ticket is booked with the flight-1018 and depart time is afternoon.

USER: Thank you for booking my flight ticket in Southwest Airline.

ASSISTANT: Thank you for choosing us.