You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from ATL to DFW?

ASSISTANT: Can I have your trip dates?

USER: My trip dates are 23 to 25 of Apr.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Mary Hill.

ASSISTANT: We found a connecting flight in Frontier Airline with a fare of 100 which departs at 22:00 and return at 10:00. Shall I proceed for booking?

USER: Please proceed to booking.

ASSISTANT: Your ticket is confirmed in flight 1021.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.