You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER:  I want to book a flight ticket from DFW to IAD. Could you help me in booking?

ASSISTANT: May I know your travelling dates?

USER:  My travelling dates are from Sept,01 and Sept,03.

ASSISTANT: Can I know your connection limit?

USER: I prefer direct flight for my journey.

ASSISTANT: Please let me know your name?

USER: Myself Kathleen Carter.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Spirit Airline is providing ticket in economy class with ticket fare 100 and 1022 as flight number in connecting flight. Shall I proceed with booking?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us.