You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what services are you seeking from us?

USER: I am planning to book my ticket from DFW to IAD. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, please share your journey dates.

USER: My planned journey dates are from Mar 21 to Mar 23.

ASSISTANT: Ok, help me with your connection limit.

USER: Sure, my connection limit is 1.

ASSISTANT: Is there any class preference?

USER: I would prefer not to fly a low-cost airline. I am ok with any class.

ASSISTANT: Is there any other specifications?

USER: No, thank's for asking.

ASSISTANT: May I know your name please?

USER: Sure, myself Kenneth Green.

ASSISTANT: Ok, please standby.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 200 in 1018 American Airline. Shall I proceed in economy class?

USER: Yes, please proceed with that flight ticket booking.

ASSISTANT: Ok, your ticket has been reserved successfully.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for availing us.