You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may  I  oblige you today?

USER: Please help me to book a flight ticket from DFW to CLT.

ASSISTANT: Sure, can you please forward your journey dates?

USER: My trip dates are from Jan, 13 to Jan, 15.

ASSISTANT: Please let me know your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Do you need economy or business class in your journey?

USER: I prefer an economy class.

ASSISTANT: Do you need any other preferences in your journey?

USER: I like normal-cost airlines to fly.

ASSISTANT: Ok, please be on hold for some time.

USER: Ok.

ASSISTANT: We found a United airlines with single connection, price is 200 in economy class.

USER: Please proceed.

ASSISTANT: May I know your name to further process?

USER: I am Pamela Hall.

ASSISTANT: Your ticket has been reserved with 1007 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.