You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to attend a Live Concert at Atlanta, could you please help me with booking a flight ticket from DFW to ATL?

ASSISTANT: Sure, let me know your travel dates please?

USER: I would like to depart on Oct 19th and return on Oct 21st.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you need any other preference?

USER: I am looking for a normal- cost airline.

ASSISTANT: Can I know your name please?

USER: I am Robert Brown.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 300. Shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed by flight number 1000 and an economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.