You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from DFW to IAD?

ASSISTANT: Sure, I am here to help you. Can I know your travel dates?

USER: My journey dates are Feb 08 and Feb 10.

ASSISTANT: Ok, may I know your name please?

USER: I am Jeffrey Davis.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: There is a flight in the Frontier Airlines which is having a single connection limit and the ticket cost is 100. Shall I reserve the ticket?

USER: Go ahead.

ASSISTANT: I have booked your ticket with the flight-1000. Happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.