You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DFW to IAD?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you. I have planned my travel  dates as Nov 22 and Nov 24.

ASSISTANT: Do you have any other specifications?

USER: I am looking for single connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: Sure, myself Nicholas Lewis.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1002. Shall I proceed with this flight?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Most welcome.