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 CLT?

ASSISTANT: Sure, I am happy to help you. May I know your journey dates please?

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

ASSISTANT: Is there any requirement about the airlines?

USER: No but I would prefer economy class to travel so please check with that.

ASSISTANT: Do you have any other preferences?

USER: Yes, I am looking for single connecting flight.

ASSISTANT: Ok, please tell me your good name to proceed further.

USER: Sure, myself Scott Thompson.

ASSISTANT: There is a flight in the Delta Airlines which is having a single connection limit and the ticket cost is 200. Shall I reserve an economy class ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: I have confirmed your ticket with the flight-1004.

USER: Thank you for your help.

ASSISTANT: Have a safe flight. Thank you for choosing our agency to reserve your ticket.

USER: Most welcome.